高考知识梳理

《高考知识梳理》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

ᳮᦪᑖᔠᦪ------------------------------1ᑖ---------------------------------8
ᑖ
ᦪ-------------------------------11ᑖᦪ------------------------------------16ᑖᦪᑡ᩽▲------------------------------17ᑖ᣸ᑡᔠᭆ᳛-------------------------23#ᑖᔣ%-----------------------------------24&ᑖ'()*-------------------------------28+ᑖ,-ᙊ┵0--------------------------35ᓝᑖ2⚪ᢈ5678ᳮ---------------------50ᑠSᨵ;<=ᦪ>?@ABᨵ;<=ᦪ>;CDEFGḄIᐹBᨵ;<=ᦪ>KLḄMNBᨵ;<=ᦪ>OPᵨᩭSᑏUVḄᦻX……஺[᰿]ᦪḄ;<ᦪ>^ᐙ`a᠗Ḅ“de”=ghẚ2ᦪj⚪ḄklmnoᑮqᨵḄrs஺gtᦪmḄᭆuஹwᳮஹxᑣஹz{|}~>^“de”Ḅ|ᑣ=ᦪj⚪Ḅ2⌕⍳“de|ᑣ”=2ᦪj⚪Ḅxᑣ>|ᑣḄᳮ2ᮣFzᵨ஺kᙠὃ“ᦪde”Ḅ|ᑣᨵḄ|ᮣFᙢzᵨ=¢£ᨵ¤¥
ᳮᦪ¦஺¥
ᳮᦪ¦>§¨Ḅ©ᓫ«ᳮ=>mᦪmḄ¬⌕§¨®¯“°”“᦮ᳮ”=²³ὃ7m´᧕¶┯Ḅᙢ®¯¸ᒈ᪆=´᧕»¼Ḅᭆu½¾¿®¯␺Á=ᙠ2⚪xᢈ5OÂÃᢣÅ஺ÆᑴḄÈ⚪ɶᑖ᪆2⚪kl=ÊË[ÌὅḄ▅ÌÏÐ஺

1¤SḄÑÒj⚪xÓÔÕᡃḄᦟØÙ=ᐹᨵwḄÊÌឋ஺ᵫÕ³(ÜÝ=ᡠßSmÏàEᨵá@ᜐ=ãäÌὅᵨklmÂÃᢣå஺ᑖᔠᦪ1ஹᙠᔠz{mw⌕ᑖæç⊤ᐗḄêë.[îÈ1]ï§P={)BIy=eR},஺={yIy=2',xGR},þÿPl஺.ᑖ᪆ᔠPஹQᑖ⊤ᦪy=/y=2*ᙠRḄᡠ!P=[0,+oo),஺=(0,+«),pno=(o,+8).[X(XGP)[./2]ᦪ/(x)=<'ᐸ5PஹM78ᦪRḄ9:;<=>?:[-X(X6A/)E(2)={G>=/஺),%€/3},/(஻)={)1)=/3)»€஻}.PQRᑡT:ᑨV(1)WPAM=0,ᑣE(p)nE(஻)=0Y(2)WPCMwo,ᑣE஺)\E(஻)#0Y(3)PUM=R/JP(P)UP(M)=RY(4)WPUMHR,ᑣP(P)U.ᐸ5bcḄᑨVᨵ-------------------------..................…——()Aஹ1:YBஹ2:YCஹ3:YDஹ4:.ᑖ᪆i7j⍝lmnḄ⚪pqᑮᦪḄᭆtᔠḄuF(P)7ᦪy=x(xwP)Ḅ,w(M)7ᦪy=—x(xeM)Ḅ.yE=[0,+oo),M=(-z஺){|(1)ஹ(3)}bc.ᵫᦪḄ{|ᦪᑁḄuj:j:ᦪᡠ!W7PPIM={0}F(P)nF(M)o{0},(2)bc.⚪(4)aePU”,ᑣ஺PaM,Wa=0,ᯠᨵ0F(P)0F(M)ᡠ!ᨵF(P)UF(M)hRYW஺0,ᵫ஺Eᑣ஺E()ᵫaeM,ᑣj஺E(M).WᨵaE(M),ij—aᡠ!jaP,ᑣ-aF(P),ᡠ!jaefXBUPOW)ᑣ/(P)UE(஻)HR.ᳮ{aeF(P),ᑣᨵaeF(P)UF(M).(4)¡bc⌱B.2ஹ<7ᔠḄ=<7;<ᔠḄ£=.

2¤./¥W¦=*1§20A=(_&,&),W4¯8=0ᑣ°42,ᨵ02},ᑣâPe"Ḅᩩ½7âPeNஹPeMPGNḄᩩ½.ᑖ᪆ᔠM7ᙊx2+y2=2᜜ḄᡠᨵâḄᔠN7åæy=x+2ÒḄâḄᔠ.ᯠᨵNjM.(ᐙᑖ}È⌕ஹÈ⌕}ᐙᑖ)4ஹçè⚪ḄTß}⊤éàá·êë⚪ìíḄ¸ᓄ·bcîQ⚪Ḅᩩ½ïð.᪷òᩩ½ïðᑨVQ⚪Ḅ£Ꮇ.¤./¥⚪“W9:8ᦪḄô7ᨵᳮᦪᑣ98ᦪõ7ᨵᳮᦪ”Ḅᔲ⚪7_____________________________________,÷7(ø£ᡈᎷ)⚪.5ஹWᦪy=/(x)Ḅúûᐵåæx=aýᑣᨵ/(a—x)=/(a+x)ᡈ/(2a—x)=/(x)ºþìÿᯠ.ᦪḄ⚪ᦪḄ⚪.ᦪy=/(ᐗ)Ḅᐵx=aḄᦪy=/(2a-x)Ḅᦪy=/(x)Ḅᐵ(a,஺)Ḅᦪy=2b—f(2a-x)Ḅ.!"#1$ᦪy=/(x—1)Ꮤᦪᑣy=/(x)Ḅᐵ.ᑖ᪆ᵫy=/(x-l)Ꮤᦪᑣᨵ/(—x—l)=/(x-l),ᓽ/(_—)=/(T+x),ᡠ3ᦪy=/(x)Ḅᐵx=—1.ᡈᦪy=/(x—l)Ḅᵫᦪy=/(x)Ḅᔣ6789ᓫ;<=ᑮḄy=/(x-1)Ḅᐵy?ᦑᦪy=/(x)Ḅᐵx=—l.!"#2$ᦪy=/(x)ABCḄxeRᨵ/(2+x)=/(2—x),DExN2F

3f(x)=x2+x,ᑣEX<2F/(x)=.ᑖ᪆ᵫ/(2+x)=/(2—x)Gᦪy=/(x)Ḅᐵx=2H<ᨵ/(*)=/(49IᡂK.x<2,ᑣ4—xு2,ᡠ3/(x)=/(4—x)=(4—x)2+(4—x).ᓽx<2F/(x)=x?-9x+20.6ஹ$ᦪy=/(x)AB/(x+a)=/(x-a)(aw0)ᑣ/(x)32aNᕜPḄᦪ.⌕RឋTUV.$ᦪW=/(x)AB/(x+a)=-/(x)(a#0)ᑣ/(x)32aNᕜPḄᦪ.($ᦪ/(x)AB/(x+a)=XY9ᑣf(x)ZᕜPᦪ)/(x)!"#[\Gᦪy=/(x)ABCḄxeRᨵ/(x+1)=—/(x)ᡂKDExG0,2)F/(x)=2x-1,ᑣ/(I)+/(2)+/(3)+•••+/(2006)=.ᑖ᪆ᵫ/(x+l)=—/(x)Gf(x+2)=/(x+1)+1J=-f(x+1)=/(x),ᡠ3ᦪy=/(x)32NᕜPḄᕜPᦪ./(2006)=/(2004)=……=/(2)=/(0)=-1,/(2005)=/(2003)=……=/(3)=/(I)=1,ᦑ]^_N0.7ஹ᜻ᦪabcᑁḄCxAB/(-x)+/(x)=0fᏔᦪabcᑁḄCxAB/(-x)-/(x)=0.gᵨᦪ᜻ᏔឋḄabi⚪F=ᑮḄᐵjkxḄឤm^<no᜻ᦪḄᐵ]Ꮤᦪᐵy?;$ᦪy=/(x)᜻ᦪᡈᏔᦪ,ᑣrᦪḄabcsᐵ]ft$9ᦪḄabcᐵ]ᑣuᦪvw᜻ᦪZwᏔᦪ.$y=/(x)᜻ᦪD/(0)xᙠᑣ/(0)=0ftᯠ.!"#1
$ᦪ/(x)=—!——஺᜻ᦪᑣzᦪ“=f2*+1ᑖ᪆ᑮ/(0)ᨵbsᨵ/(0)=0,|ᐭ=஺=g.~ᱯ_ᙠiஹ⌱⚪F$ᮣᵨᑣ.!"#2
$ᦪ/஺)=]2+3—2)x+3abᙠ2a—1,2-ḄᏔᦪᑣrᦪḄ_c.

4ᑖ᪆ᦪᏔᦪ,sᨵ(2஺—1)+(2-a)=0,=a=-1ftly=/(x)ᏔᦪH<ᓃ=2.ᓽy()=-x2+3(xG!-3,3[ᡠ3rᦪḄ_cN!-6,3[.x8ஹ᜻ᦪᙠᐵ]Ḅᑁ¡ឋ9¢Ꮤᦪᙠᐵ]Ḅᑁ¡ឋTt.$ᦪy=/(x)Ḅᐵx=aᑣ£ᙠ?Ḅ¤Ḅ¡ឋTtfrFᦪ_Ḅᜧ¦§¨jk©?Ḅª«.i“¬m^(ᓽᦪm^)”¯ᵨᦪḄᓫ°ឋ±s²abc.!"#[$ᦪy=/(x)abᙠ!-3,3[ḄᏔᦪDᙠ!-3,0[ᓫ°⌴$zᦪ஺AB/(2a—1)

53ஹr5'+0°.◤⌕ḄᦪjᓄØoy=/(x)ny=/(lxl)ny=/(lx—41)ìjᓄØo:y=f(x)=>y=f(x-a)^y=f(\x-aI).úὅᐜÊᐵy?è78<èὅᐜ78èåÊᐵx=஺.10ஹẆýno᪷Ḅᦪஹþÿ
()Ḅ(ᱯᨵḄ)ஹ
᪷ḄᑖஹᦪḄஹᦪḄឋ(ᒹ)ஹᨵ!Ḅᦪ"ᑖ#ᦪḄឋ(ᒹ)$⚪&ᑭᵨᦪ)*ᩭ,../012Ḅ34Ḅ)5⌕789:;<ᓽ>:ᱯ?Ḅ@(ᦪ)*Aᙶ᪗DḄE@ஹF@ஹ᩽@)ஹ⌴I⌴JḄKLஹᨬ.NOP1RSTᦪ/(x)=J2x-1,g(x)=ax+1,`/(x)>g(x)ḄbcdbeᑣgᦪaḄhj.ᑖ᪆</(X)>g(x)Ḅbcdbemᓽᦪy=/(x)Ḅ)*oᨵ@ᙠᦪy=g(x)Ḅ)*Ḅo.ᦪ/(x)=J2x-1Ḅ)*xDoḄq\stᱥveᦪg(x)=ax+lḄ)*x@y0^1--------------7(0,1){᳛caḄ}v.~a=&-1}vAtᱥvᑗeᵫ᧡T<஺ீ-1.(12)Ḅv⚪)NOP2R`vV=1x1+1A}v>=+ᨵᐳ@eᑣ~Ḅᩩ.ᑖ᪆

6j.ᑖ᪆<ᵫᦪ¸ᙠ¹ᦪḄᐙ⌕ᩩºAḄᐗ¼yy!e¬³XDḄ}vAᦪḄ)*´µ¶ᨵy·E@.Ìᵫᦪ/(x)=x2-2ax+l)*Ḅ!ÍDc}vX=஺T/(0)ᓽ8.mᓽ53Ö).2212ஹÛy·ᦪḄ¹ᦪ/0᪗ܹᦪḄºe¹ᦪḄº9ᓫݹᦪḄ⊤ßoÛeàÛáᦪḄ.Û¹ᦪḄ⊤ßḄx
â(ᐵ³xḄ)
Ḅx
.12<ᦪḄ¹ᦪäyḄeåᐸᙠç¬x
yº⌕12èéêḄ;º.NOPRᦪ/(x)=10g2(x2+2x+2),(xe(-oo,-2R)Ḅ¹ᦪc.ᑖ᪆<ìy=log2(x2+2x+2),ᑣ/+2í+2=2,=(x+l)2=2'-1.ïcxW—2,ᡠ¦x+l<-l,ᑣx+l=-g-1,x=—l—J2y-1.ÌáᦪḄcñ,+8),ᡠ¦áᦪḄ¹ᦪc/T(x)=—1—J2'-l(x>1).(`ݹᦪ⊤ßô2'-120Ûôx20â¹ᦪḄº).13ஹáᦪḄº¹ᦪḄeáᦪḄ¹ᦪḄºõáᦪA¹ᦪḄ)*ᐵ³}vy=x!Íõ`ᦪy=/(x)ḄºcA,cC,aeA/eC,ᑣᨵ=b,(J(a))=a.b=f(a)=a=f-\b).◤⌕ᱯ12yùúᔠᦪḄ¹ᦪ$⚪.᝞y=J(2x)¹ᦪy=ü(2ᐗ).NOP1RSTᦪy=/(x)Ḅ¹ᦪy=/T(x),ᑣᦪy=2/T(3x+4)Ḅ¹ᦪḄ⊤ß.ᑖ᪆<ÛᦪḄ¹ᦪ
Ḅx
eᓽᵨy⊤ýx,ᯠÿᣚᓽᦪḄ⊤.ᵫy=2/T(3x+4)(3%+4)=/3+4=ᔩ)==ᔩ)_4".ᡠ$ᦪ1xy=2.(3x+4)Ḅᦪ&y=-/(-)-4".()2"*+/(x)={'",0115)=3,3Ua=_______.log(-x),-2

7ᑖ᪆=ᵫ/T>a?=3஺=/>3?,ᡠ$஺=8.14ஹᑨDᦪḄᓫFឋᵨᨵᐵᓫFឋḄឋK>᝞MᔠᦪḄᓫFឋ?OPQRᦪᓫFឋSTᵨUVOWTᵨᐵXᓫFឋḄYZឋKOᵨUVQRᦪᓫFឋḄᐵ[\]^^_`ᑖa.bcbdeQR=ᦪy=ax+—,g,h0?ḄᓫFឋ.x()"*+ᦪ/>x?=ax+L>ah0?ᙠXel,+ah?m_ᓫFnᦪOopᦪaḄqrt.Xbᑖ᪆=ᦪy=஻x+—,>஻vh0?w&“Ὂz”ᦪOᵫ|}W~+=xh0OᦪḄᨬxr_2J⁰O/X=A012ᡂ4.xe0,\
0,ᦪ⌴xeg,+8?Oᦪ⌴n.bcᙠa⌱ஹ~⚪ᵨᩭ.ᦪ/>x?=ax+,>ah0?ᙠl,+oo?m⌴nOXᑣa21.P0_ᜧ⚪ᳮWT᪵ឋḄRO◤⌕ᢥᦪᓫFឋḄUVᨵ£¤ḄQ.Y¥ᓰ,§26©,+8?,ª«¬X2/®?/>2?=>¯஽?>஺...-?.ᵫᦪ/>X?_ᓫFnᦪOᑣ/஺|?/>2?¬0,²³—/¬0,ᑣa--->0.ᡠ$a>----µX&,2€[l,+oo),Xi/X/2ª¸¬*2ឤᡂ¼O`'ߟ--¬1,ᦑa21.xx{2◤⌕RḄ_=ᙠὃÀÁ0“⚪ᜧ”ᑣÃÄÅO`&''⚪”S⌕Ʋ''ᜧ⚪”ᑣᜫᑖO`&“ᜧ⚪”◤⌕£¤ḄQÈÉ.15ஹᐗËÌᦪ_ᨬ|}ḄÍ~ᦪO⌕ÎÏÐÑᐗËÌᦪḄᨵᐵឋK.ᐗËÌᦪᙠÒ®ÅmUÓᙠᨬᜧrÔᨬrOÕeᔠËÌᦪḄÖ×oᨬr.()"oᦪ/>x?=—-2ax+1ᙠ®Å-1,3"Ḅᨬr.ᑖ᪆=oØ©ᔣm.ḄËÌᦪᙠÒ®ÅmḄᨬr⌕᪷ÛËÌᦪḄµwÜÔ®ÅḄÝÞᐵßᑖàáâãäåæOPoØ©ᔣmḄËÌᦪᙠÒ®ÅmḄᨬᜧrS⌕᪷Û®ÅçèÔµwÜéÅḄêëᑖìáâãäåæᓽ.2+2஺(a<-D10-6(2(a<1)cτஹ1\/(X)min(-l1)10—6஺(a>l)

816ஹᐗËÌᦪஹᐗËÌW~ஹᐗËÌÉ_WᑖᒘḄàð+ñè.aᐗËÌW~_“ᑭᵨᐗËÌÉḄ᪷ஹᔠᐗËÌᦪḄÖ×ஹᑏôᐗËÌW~Ḅaõ“O$öᐗËÌW~Ḅ÷⚪ᓄù&ᐗËÌÉᩭoa.ᱯûµXüýᐗËÌW~Ḅæ.þÕÿḄᙢḄḄ᪷(ᡈ᪷).1ᐵ"xḄlax+3l<5Ḅ
-1,4ᑣ$ᦪaḄ&.ᑖ᪆)*+ᐭ-.ὃ⇋1ᦪ஺Ḅ345678.᝞ᔠᳮᑭᵨ>?Ḅᐵ@ᑣABCDᑮFᫀ)-1,4lax+3l=5Ḅ᪷.ᑣDI4஻+31=5a=-2ᡈ8K1,a=-2.a=-2ᡈ—22ᐵ"xḄ)ax2+2ax+1>0(«GR).ᑖ᪆)✌ᐜ⌕PḄQᔲᐗTU.V஺=0WQឤᡂZḄᑣᐸ&R.VQW0W\TU.>ᐸḄ&஻/+2]+1=0,᪷ᑨ`I2a=4஺2-4”.Vaு()ᓽa>1ᡈa<0Wd᪷&/="±Va=(),ᓽa஺=1Wᨵ᪷kT1VAvO,ᓽ0<஺<1Wm$᪷.nᔠTUoᦪḄpq)a>1WḄ&(_oo,~a~^2—)U(_s+"2_4,+8)Va=1WḄaa&(ߟ8,—l)U(—L+8);V0«஺<1WḄ&RV஺<0WḄ&-a+-ci-a-ya2-aa'auTvᑖ17ஹwxa+b22y஺ᓃ4(t2)2⌕{|}ᡂZḄᩩ>a,஺Ḅ.“3ஹ2Tஹ”“ᨵᨬஹᨵᨬᜧ”ᑭᵨwxᨬW⌕ὃ⇋ᑮ}ᔲᡂZ.>oᦪᐵḄᵨ⚪ᨵwxḄᵨ.3ᦪa/a+28=3,ᑣ'+'Ḅᨬ&.ab

9ᑖ᪆)Q⚪ᐺḄ“⚪”ᓽdḄᐵ@QdḄᦪḄᨬᡈ⚪.ᐸ¡¢“£ᐗ”ᓽᵫᐵ@¥ᑭᵨ⊤§ᐭᑮᡠᐵ@¥©ᓄ&ᐗoᦪḄᨬ⚪¢᪀⌼wx.ᵫ11\,a+2ba+2bஹ12bஹ1-Tஹ…ஹஹ,2ba67—,,-+-=-------+------=-3++->-3+2V2,V²³V=}ᡂZQab3ab3ab3ab3ᓃ=3Wad~2+V218ஹµ¶·ᵨwx)\\a\-\h\\<\a+b\<\a\+\b\.1*ᐵ"xḄ1¹-11-1º-21<஺Ḅ»ᑣ$ᦪ஺Ḅ—ᑖ᪆)ᵫḄ&R,ᑣ஺ᜧ"lx-ll-lx-21Ḅᨬᜧ.ᵫ¾ḄឋÀ:Ix-ll—52Äx—l—x—2l=l,ᡠÅa>l.2*ᐵ"xḄlx-ll+lx-2lla>0.x-2ᑖ᪆)íᓄ&)3_Dx_î__2>0nX_2a—lx—a—2ு0.PᑮQx-2TU⚗@ᦪñᨵᦑ⌕78.1V஺=1WḄ&óxlx>2ô2V0<஺<1Q—2WPᑮQWḄTUoᦪö»ᔣød᪷ᓰT2,0T——y஺1a-21a—2——=1+——>2,QWḄ&2,——3V஻ு1WÔ᪵ADḄa-1aa-1a—2&8,üýU2,+8.a-120ஹᨬḄ1ᵨ¢)জᵨwxPᩩ)3ஹTஹঝTUoᦪঞᓫឋট⌮ᒹᑨঠᣚᐗডᦪᔠ.ᙠᵨ!ᨬ#

10%“'!”)*+,-ᵨ.ᦪ/=1+@,஺>0Ḅᓫឋ:;.ᦪ<=>)▲ᑴxḄ#A,ᐜCDஹFᑭᵨHIஹᓫឋ!ᑖ.ᦪḄ#A<=>Kᨵ▲ᑴ-ᵨ“⌮”ᓽᑨᑖ.ᦪḄ#A<=>)▲ᑴN-ᑖOஹᑖPQ◀SO,=ᑖOᑖPT-ᦪ.UVW1YZ[.ᦪ/x=ax-3/Ḅᨬᜧ#ᜧbLde+,/%>->g26428ᦪ஺Ḅ#.Q22Iᑖ᪆/x=--x--2+—,ᑣoீLndvi,du:;.ᦪvwᔣy,ᑣᨵ23666<480421[a=Y{|ᑮvwᔣyḄ:;.ᦪᙠ~Ḅᨬ#Ḅ.ᦪ#Q᪵vwᔣḄ:;.ᦪᙠ~Ḅᨬᜧ#Ḅ.ᦪ#.UVW2Y.ᦪ/x=r,?—ᙠU-2,2YḄᨬᜧ#ᨬ#.x~+6x+13ᑖ᪆%T.ᦪḄAᑗgᦪ,ᵨᑨᡠḄ.ᑭᵨᣚᐗᓄᡂt14!Ḅᵨ.x+3=f,==—=-ef=2+,f+ᨬ+4-4tt4291#4e,=5+\f+—ᨬᜧ#ᡠ.ᦪ/xᙠU-2,2YḄᨬᜧ#T,ᨬ#t54T{|u¡.ᦪḄ#Aᨬ#¢⚪ᙠ¤¥Ḅᨬ#¦§-¨©,⌕«¬ᙢ¯°ᐸ¤.2921ஹ⍗ᑮ³´!ᡈ³´D¶ᐸ¦·S´ᦪḄ#¹N-ºᵨᑖ»´ᦪ,ᓄT·.ᦪḄᨬᜧ#ᡈᨬ#¼½¾´ᦪᑖ»¿ᩭᡈÁÂᑖ»,ÃÄ᦮ÆẆÈ.ᦪy=/a,xḄᨬ#.ᱯ{|Ë=>¢⚪ᙠ¤Ì¶¦ÍZ[¹Ḅ=>ÎTÏ=>,ÐSÎT´ᦪ.UVWY1Z[!4'Ò2'+2>0bxeU—1,+8ឤᡂÕ,gᦪaḄ#¹.2½!4'஺2ஹ+2>0bae-co,3YឤᡂÕ,gᦪxḄ#¹.21ᑖ᪆1ᵫ4*஺2*+2>0Úa<2ஹ+bxeU—1,+8ឤᡂÕ,%2*2—,ᡠT2

112V+—>272,e2ஹ=Ý+!ÞᡂÕ.ᡠᨵa<2ß.T2{|ᑮ4ஹ-a+2>0baw-00,3YឤᡂÕᐵbaḄ;!.âfa=-2x-a+4ஹ+2,ᑣ/aᙠae—8,3Yᓫ⌴ä,ᑣ¢⚪!åb3>0,ᡠ4'3•2ஹ+2>0=2*>2ᡈ2*<1,ᑣx#¹T—8,0U1,+8.èéêᑖéë.ᦪ7T22ஹ½஺60,ὡ,ᑣsina0þa£U0,7Y,ᓽIsinalுlcosaI[ᐸëḄïð“☠ß”yó,ᡠaw6,ÿ.442sinx=xḄḄᦪ.ᑖ᪆ᙠ☢ᙶ᪗!"#ᦪy=sinx%y=xḄ&'(ᵫ#ᦪy=sinx,y=x+,᜻#7Tᦪ(./xுl2x>sinxឤᡂ6.ᙠxw80,—2(sinxcx,ᡠ=>#ᦪ&'?ᨵABC8ᙶ2᪗DC(ᓽsinx=x?ᨵA.F᪵/H€8-,2(fgx=x?ᨵMAx=0.23ஹPQᡈST>ḄᜧVWX,PYḄQZ#ᦪ[8ᡈST>ḄZ#ᦪ[ḄᜧV(ᯠ]^_`aஹP8ᡈ᪷cZ#ᦪḄᓫeឋST">ḄᜧV.S᝞ᵫtga>tg஺Ὄᨵa>@3ᵫa>᜛F᪵jkᨵl/n>ḄZ#ᦪ[op(q>jkop(᝞sina=sin/nr!Ja=2k/r+/nᡈcr=2ᐔ+ᐔeZஹwcosa=cos@3,ᑣa=2k{|/?,&wZntga=tg0,ᑣ஺=;r+/?,ZEZ.1/?+,A▲Ḅ(ᑣ“஺<”,“sinavsin4”ḄAA8Aஹᐙᑖk⌕ᩩnBஹk⌕ᐙᑖᩩnCஹᐙ⌕ᩩnDஹᐙᑖk⌕ᩩ.7T134ᑖ᪆+,A▲Ḅ(>ᙠFAᓫe`aᑁ.᝞,஽+,A▲Ḅ(367t13£g.ᐔ.13£3—<---¤sin—>sin----.⌱D.3636

122&>0,/?>0,«+/?<{(ᑣ“a<᜛”,“sinaᑁ.⌱C.24ஹAḄQAZ#ᦪ[PᐸZ#ᦪ[ᡈḄᜧV(A_⌕᪷cḄ¯ᩭ±_n²³´µᵫrgaḄ[Psina,cosaḄ[Ḅ¶!·n¸8AḄZ#ᦪ[P8¹AZ#ᦪ[Ḅº⚪(A¼⌕ᵨ“¸[”Ḅ⊤¿“P[”Ḅ(^ᵨ>À8ÁḄZÂÃPÄ.Åa,Æ▲Ḅ(Çcosa=a,ᑭᵨ஺⊤¿fga=nᑖ᪆ᵫa,Æ▲Ḅ(cosa=asina=J1-tga=-—.cosaa2Gsin?a+sinacosa-2cos2a=0,a£(ߟ/),Psin(2a+É)Ḅ[.23ᑖ᪆ᵫ6sin2a+sinacosa-2cos2a=0Ä6tg2a+tga-2=0,ᑣtga=nᡈtga=~.Eae&ᐔ),ᡠ=tga=--.ᵫ£ÂÃÄsin2a=2”Æ3231+Ë2a131—~oc5,./cᐔஹ5A/3—12cos2a=------=—.sin2a+—=--------.i+tg2a1332625ஹÌPZ#ᦪḄᕜÎஹᨬ[ஹᓫe`ap(Ц§ÑᵨÆÒÓ8ÔÕÂÃ(ÖÂÃ×11jrjrËᓽsin2x=-1-cos2x,cos2x=-1+cos2xnØᐭÚÛ8ᱯݦ§(ÞXß┯2236áᵨ>ÀஹÁḄÓÕஹÔÕÂÃ8ᔠÆA(ãᡠ¸ḄZ#ᦪÃᓄy=Asin83x+*+BḄ«Ã.#ᦪy=1Asin85+°IḄᕜÎ,#ᦪy=4sin(ur+0ᕜÎḄAÖ.#ᦪ/x=2cos?x-ZQsinxcosx-1ḄᨬVÓᕜÎnᨬᜧ[ᓫe⌴æ`anᙠ`a
0,24(/x=1Ḅçᑖ᪆ᵫf(x)=2cos2x-2j5sinxcosx-1=cos2x-V3sin2x=2sin(2x+—).ᡠ=#ᦪ657rTC/a)ḄᨬVÓᕜÎnᨬᜧ[2nᓫe⌴æ`aèé2x+——£
20-A627T24TT57rI2ᦇ஻+—(%cZ),ᓽì"——(ᦇ£AA(ZEZ)nᵫ/(x)=1,ᑣsin(2î+—)=-,23662

13577TC577ஹᑍJT2xH---=2ᦇ஻H——ᡈ2x+——=2kᐔH----Äò=ᦇ"----ᡈx=kjr(kGZ),ᵫxG[0,24]666632ᐔ57rÄçõö,÷,0,ø2£ù.------b¦§ÚÛ᜛ḄÐᵨasinx+bcosx=H+/sin(x+0),ᐸ=—(Ç᜛ᡠaᙠḄ▲%C(a,üᡠᙠ▲Aý.26ஹ/þÿxḄ▲ᑴᦪy=Asin(©x+0)Ḅᐜᝯᓝ°Ḅ"#ᑭᵨ&'ᦪḄ()ᡈᓫ,ឋᩭsin(5+᜛)Ḅ"123AḄ456ᓟ89:;x"Ḅ<=>?ᐭ⊤BCD.FGHIJKᦪ/(x)=2sinx(sinx+cosx),x£F0,%I,/(S)ḄᨬᜧV•ᨬX.ᑖ᪆[ᦪf(x)=2sin2x+2sinxcosx=1-cos2x+sin2x=V2sin(x---)+1.ᵫ4777T37r71A/2ᑣx-ᐲ;I,sin(x--)GF--,1I,ᡠhᦪ/(i)ḄᨬᜧஹᨬXᑖ44442kl0+1V0.27ஹ&'mno'pqrsᑭᵨ4tᳮஹvtᳮwᓄl'(ᡈo)ᜐᳮ.ᨵᐵa,}cḄ~C(Cᡈ9C)hᵨ4tᳮwᓄl&'C6K⍝aABC&oa,6,cḄᐵsὶᑮvtᳮ⚪64tᳮl9—=—ᓃ==2R(ᐸnR4ABCsinAsinBsinC᜜ᙊ.FGHIᙠ4ABCna,b,cᑖkN4,ZB,NC¤oḄ¥.JKa1,cᡂ§ᦪᑡ©a2-c2=ac-bc,NAḄᜧXª«¬©Ḅ.Cᑖ᪆[ᵫᡂ§ᦪᑡD஻=®=Qc-bcᓄᡂ-Q2=ᓃ஺ᵫvtᳮDCOSAJ+c=-.ᵫ*=acD,ᡠh2bc23cbbsinBasinBV3=sinAcbT28ஹᙠ±ABCn[a>b<=>A>BsinA>sinBsin(B+C)=sinA,cos(fi+C)=

14-cosA,cosg±J=sin4,sin"J=cos^sᵨḄ³´µ¶.&'m&ᑁ'AஹBஹC22227Tᡂᦪᑡ©¸8=2.3FGH1(1)¹KaABC&oa,dcᡂᦪᑡBḄ"6(2)JKaABC&oa,b,cᡂ§ᦪᑡ'BḄ".“2+ᡝ_>2ᑖ᪆[(1)ᵫ±ABCḄ&o”,}cᡂᦪᑡᑣ2b=a+c,cosfi=-~~-~~—,¾¿ᓃᓄ2ac3(a2+c2)1ஹ6ac1IJIDDcosB=—----------->-------=.ᡠhBe((),].Sac4Sac423TT(2)Á᪵hD8€(0,§.FGH2ᙠAABCnÃ2cos8sinA=sinC,ᑣAABCḄmÄ-------()AஹῪ'&'m6Bஹ'&'m6CஹῪ&'m6Dஹo&'m.ᑖ᪆[ᙠ&'mABCn[sinC=sin(/l+B)=sinAcosB+cosAsinB=2cosBsinA,ᑣsinAcos6—cosAsin8=0=>sin(4—8)=0n4=5.ᡠh±ABCῪ&'m.3[GH3]Z\ABCnᑁ'AஹBஹCḄ¤oᑖkla,b,c,Ç1a,b,cᡂ§ᦪᑡ©cosB=—.4—,—-3(1)Oga+OgCḄ6(2)È8A-8C=],Q+CḄ.É44-/ÉÊËcosAcosCsin(A+C)sinB,,3஽Íᑖ᪆[(1)ᐜᑗᓄt[ctgA+ctgC=-----+------=——-------=----------.ᵫa,0,cᡂsinAsinCsinAsinCsinAsinC1o13A/7§b~=acsinB=sinAsinC,ᡠh+cᔞC=-------.ᵫcosB=DsinB=------,sin8444A/7ᑣctgA+ctgC=—.—*—►33(2)23ᑮ8A•8C=accos8=—ac=Ðᡠhac=2,ᑣ஺Ñ=2.ÒᵫvtᳮD[42b2—a1+c2-laccQsB,Wn2+c2=5,{a+c)2=a2+2ac+c2=9,ᡠh஻+c=3.29ஹsinx+cosx,sinx-cosx,sinxcosxÓ&ὅÕÖḄᐵ×ᯠÙᨵᑡᐭÁ'&'§ḄÚÛᐵCÜÝÞᙠßànásâᵨᑮ⌕:äåᙢçèÝÞÕÖḄᐵC:(sinx±cosêë=1±2sinxcosx.:᪷í'Ḅ"îï4Ḅð.

15FGH1IJKᐵñXḄàsin2x+a(sinx+cosx)+2=0ᨵóᦪ᪷óᦪ஺Ḅ".ᑖ᪆[(sinx+cosx)2=sin2x+2sinxcosx+cos2x=1+sin2A-,ôsinx+cosx=ᑣsin2x=õ-1,öUeF-ùᖾI.ᑣᐵñ.Ḅàõ+⊈+1=0ᙠf€F—ýþIÿᨵ
.ᑮ++1=0᪷1,ᨵ᪷ᨵ᪷ᙠ—1ᑁ⌕!NOᓽ%&a22ᡈa<—2.+,2-./a£(0,2),4sina+cosa=-(ᑣᔞa=.ᑖ᪆?@AB⚪DEFGᙠᔜAὃJKLM.┯O᳛QRST.UVWXY᪷Z[ᡠᙠḄ^▲`194aᦪcdefgḄhi.ᵫsina+cosa=--k&2sinacosa=--<0,lᵫae(0,n)2o)49/a€(—,4).sijᨵsina>0,cosa<0.(sina-cosa)-=l-2sinacosa=—&2257343sina-cosa=g.ᨵsina=—,cosa=--,ᡠ{fga=--.30ஹf(~)aᦪḄ`Wke)4aᦪḄᨬTᡈᨬ`ḄWᕜf(~)aᦪḄ`KW“k⊝”Ḅ`KḄWᕜ.kᑍaᦪy=tgx,y=cfgxḄᨵ`Ḅ`K(5-,())eZ.`ḄWᕜ.+,1-./aᦪ/(x)=sin2x,4/(x+f)WᏔaᦪᑣ£¤ᩩ¦Ḅᨬ§fᦪ/=ᑖ᪆?/(x+f)=sin(2x+2f)WᏔaᦪᑣx=0WḄᩩ`.x=0¨aᦪhᨬᜧ(§)c.sin2f=±l,2f=br+2(kGZ).ᡠ{£¤ᩩ¦Ḅᨬ§fᦪf=?.7t+,2-aᦪ/(x)=asinx+cosxḄᐵ(-,0)ᡂK`ᑣ஺=.ᑖ᪆?ᵫ/(x)=asinx+cosxḄᐵ(—?,())ᡂK`//(—?)=(),"R³´µᑖ¶ᦪ31ஹ¶ᦪB⚪ᦪᓄ¨¸¶ᦪz=a+bi,X⌕º»ᩩ¦a/eR.¶ᦪZ|=஺+nZ=c+di,(a,b,c,deR),z=z2Ḅᩩ¦WQ==d.ÀW¶ᦪÁcḄÂ⌕ÃZ.᪷Zᩩ¦,21

16Á¶ᦪḄcDEÄᦪᓄᜐᳮ.--3-z+,-¶ᦪz£¤?zz+z+zi=»,ᑣÇ=.2+iᑖ᪆?¸z=஺+ÈÉ஺,஺w/?,UÊᓄ஺2+஻+2ai=l-i,&<“.,Á&2a=-115ÌÍ,32ஹÎᦪᐗÐÑÒᙠÓ᪷ᑣ@Ó᪷ÔᐳÖ.ÓÎᦪᐗÐÑÒᙠ᪷XYᵨᑨÙÊᑨÚ.+,-_?++2=09€/?Ḅ᪷£¤1&/1=2,ÁᦪbḄc.ᑖ᪆?ᙠ¶ᦪÝᑁla—02=a—᜛ß2Xàᡂáâ|Éa—/?ß2ã&å|2àᡂá`ÐÑæçàᳮᙠ¶ᦪÝᑁWᡂáḄ.1"ᓝ'=”la—᜛ß2|=|஻_8|=4,ᑣ஻=4ᡈ\a/3=2ᓃ2=12,ᡠ{6=±2ᡈ/?=±26.33ஹIZi-ZzIḄëìíW¶k☢ïðñ`òḄlz-z°l=rḄëìíW¶k☢ï{4ß`òᙊrôḄᙊ.+,-lz-2il+lz-z01=4⊤öḄ÷ḄøùWúᙊᑣlz°lḄhcÝW.ᑖ᪆?✌ᐜ⌕ᳮ
ᦪýþðḄí?lz-2il+lz-zÉß1=4⊤ö¶ᦪz`òḄ÷ᑮ¶ᦪnzo`òḄàḄÿ
4.᪷ᙊḄḄ⌕
4,ᡠᨵ⊤z0Ḅᙠ!"ᙊ#4"$%Ḅᙊᑁᵫ(Ḅ)*+I%k
0,6.34ஹ
-ᦪzᨵ/ᑡ12ឋ451z"6ᦪḄᐙ⌕ᩩ9:Z=12z";<ᦪḄᐙ⌕ᩩ9:Z+Z=0=ZW0;>3Z-Z=1Z|2;
4I?2ITZ|IIZ2I.4@ABCD-ᦪ1EF5>1GZ+-ER,2lz-2l=2,H-ᦪz.Z44-4-_ᑖ᪆5ᵫZ+—ER,ᑣz+—=z+=nz-zlzI2-4=0=>z=zᡈIz1=2.Nz=zOᑣZZz

17zeR,ᵫlz-2l=2Uz=4ᡈz=0>XYGZN121=2O-\HUz=1±.^_:z=4,z=1±®.cdeᑖᦪᑡf᩽▲35ஹkᦪᑡlᓽnop⚗a“=d”+b,x஻⚗zS“=g஻2+c஻>d"~k஻eNG.ᦪᑡ:k>Gᦪᑡp1ᑭᵨk>GᦪᑡḄᓽ5%+1-%:1ᦪ>஻6G>=1ᦪ஻eNG,\⚗ᡂk>Gᦪᑡ.ᓽ
+Ḅᯠᦪ”ᨵ:@ABCᦪᑡl஺“nEF5%=1,஺ᵨ=>”€"G.>1GH5ᦪᑡl-n:kᦪᑡZ>2GH“nḄp⚗~.%ᑖ᪆5+:ᑮᦪᑡl-n:kᦪᑡᑣ⌕——L:1ᦪ.=&ᡠana„%+i2a“——=.ᓽᦪᑡl-n:kᦪ¢U.-=1,ᑣ1-=1+!>஻—1G=¥ᡠ4+1%2%aa22Wn36ஹkᦪᑡxn⚗zஹ§n⚗zஹ¨©n⚗z>ᓽª⚗ḄzG«ᡂkᦪᑡZᦪᑡxn⚗z>z¬"0Gஹ§n⚗zஹ¨©n⚗z«ᡂᦪᑡ.®\U¯5ᦪᑡḄxn⚗Ḅ°ஹ§n⚗Ḅ°ஹ¨©n⚗Ḅ°«ᡂᦪᑡ.@AB1C±ᦪᑡl%n:kᦪᑡS”:ᐸx஻⚗Ḅz$4=8,58=20,ᑣ&=_Zᑖ᪆5+ᑮS^Sg-S4S|2-S&:kᦪᑡḄ4⚗Ḅz¸¹ᡂkᦪᑡ.\Uᑮ5-S=16,ᡠS12=36.128@AB2C±ᦪᑡl%n:ᦪᑡ:ᐸx஻⚗Ḅ°7Z=5,£=20,ᑣ¼2

18ᑖ᪆5ᵫ74,½¾ᡂᑣ>*À=74•ÂᡠÃ3=64.37ஹᙠkᦪᑡl%nom+n=p+qm,n,p,qeN,ᑣa+a=a+aZᙠᦪᑡmnpqa„om+n=p+qm,n,p,qeN,ᑣa,a-a=aqk>GᦪᑡoÄᓄÆÇḄnpᢈÉÊË
Ìᩩឋ4.@ABCᦪᑡl%n:ᦪᑡ4•Ḅ=—512,%+&=124,=~q"᦮ᦪᑣÎ஺Ḅ"a-,+—124a-,-128=—4ᑖ᪆5ᵫ4U4=>\ᡈ4ᦪᑡḄ~"᦮ᦪ4738a,-a.=-512a=-4a.=128IJ30=~kd<0,xn⚗zÑᙠᨬᜧ.N✌⚗Ô<0=~k4>0,x
a>0<0n⚗zÑᙠᨬ.Hkᦪᑡx஻⚗zḄᨬ\ᑭᵨ¬Õ1"Ö:ᩭØ஻ḄZIJ<0>0\ᑭᵨkᦪᑡḄx஻⚗Ḅz:஻ḄÙ§Úᦪ>1ᦪ⚗"0ÛᓄᡂÚᦪÜ⚪ᩭHÞ.@AB1ßl"”n:kᦪᑡ✌⚗">0,42006+“2007>0,“2006,42007<0ᑣ>1Gàx஻⚗zS“ᨬᜧḄᯠᦪ஻:___Z2àx஻⚗zS.>0Ḅᨬᜧᯠᦪ"=Zᑖ᪆5ᵫᩩ9\ᯯ006ு°஺2007<0,\$2006ᨬᜧᑣàS“ᨬᜧḄᯠᦪ"2006;ᵫ“2006+“2007>°"1+°4012>°$4012=å->0,^4013—4013•«,ᡠ20075<0,ᑣàS“ு0Ḅᨬᜧᯠᦪ"4012.4013@AB2ᙠkᦪᑡl%noEF3a4=7%=%>0,S“:ᦪᑡx஻⚗Ḅz.ßS”æUᨬᜧ,ᑣn=.ᑖ᪆5✌⚗ஹ~k>G:Þçk>GᦪᑡḄᨬèé¯ê.k>GᦪᑡḄÆÇÊ\p4ë✌⚗f~k>GᩭÞç.ᵫ3a4=7%3%+3d=74+6dnd=-ᨵ஺C,ᑣ4஻1^/737—477a=6Z,--------------=---------4.N஻¼9O஺>0,N஻10O஺<0,ᡠ஻=9."τ3333"

19naq-1x39ஹᦪᑡlín:ᦪᑡᐸx஻⚗ḄzS”:ᐵ
qḄᑖðÚᦪS”—ᙠñZ-----/Ii-qHzëóoß~¬:ᐹõᦪOᑣ⌕ö÷øù.@ABúᦪᑡl%n:ᦪᑡx)⚗z"S”=limS”=,H%Ḅæý.஻->8%ᑖ᪆5+ᑮᦪᑡḄ~:¬"þḄ1ᦪx஻⚗zÑᙠḄxÿᩩ
lqlm8——c3=licom஻—=0@Ug'*w1W4S"“=-1-J-—-q-,ᑣln—i>mao—)C=..1-qlim----=<1-q")0,(Iql>1)40ஹ2hᦪᑡஹ23ᦪᑡḄ“ijᐗ”✌⚗ஹ7h(3)4UlmH᝞oᵨឋq:rW4stuF⚪vᓄᡂ“ijᐗ”ry.z{ᵨ|}~⚗ᐵ@/)2hᦪᑡ4ᑣ|}ᯠᦪm,nᨵa=a+(n-in)d/%123ᦪᑡ4ᑣ|}Ḅᯠᦪ4஻4ᨵa”=a-qn~m.nmmᙠ~ᐵNR=1,2h(3)ᦪᑡḄ⚗7N.)*+ᦪᑡ”12hᦪᑡ4✌⚗4>0,3a5+5%=0.XᦪᑡḄD஻⚗ES",FS”ᔲᙠᨬ=ᙠ4஻o=Hᙠ4ᳮᵫ.ᑖ᪆@j⚪ᩭ42hᦪᑡḄijឋqᵨH4stᓄ✌⚗7hᩭry.XᦪᑡḄ74hd,ᑣ3(q+44)+5(6+64)=0,ᓽd=£¤4ᵫ¤>0d<0,ᡠtᦪᑡ/%1⌴§ᦪᑡ4ᦑS“ᨵᨬᜧ=ª«ᨬ=.ᵫ2hᦪᑡḄ⚗7N@

20425-4/1%=4+(஻—1)(—¬■4)=———44U஻46W4a>0,U஻7W4஺“ீ஺.ᡠt°ᨬnᜧ.±4U஻=6W4S஻ᨬᜧ4Hᙠᨬ=.)*+2²⚗23ᦪᑡ/³14✌⚗%>1,=1-XᦪᑡḄD«⚗µT„4FT„ᔲᙠᨬ=ᳮᵫ.ᑖ᪆@*+1ὶ·ᩭ4ᦪᑡḄ“¸3”F⚪.ᐸryḄº»¼½᪵Ḅ.ᓫÀ²⚗ᦪᑡ4D஻⚗µᨬᜧ()4ᑣLÁÂÓ4").4+1<1ெ%+1>14425-4஻Xᦪᑡ73g,ÅMauf.g/A=i,ᑣ4=/Ç.4=%.(-7)"ஹᵫq>1@஻46W4W4*<1.ᡠtUn=6W44ᨬᜧ47Èᨵᨬ=.)ᱯÊË}12hᦪᑡ²⚗23ᦪᑡÌᙠḄ¸3ᐵÍ▭ÏÐḄÑᓄ4ÒÑᓄstᵫ2hᦪᑡ23ᦪᑡḄÓឋqᩭÔÕ.ᡃ×⍝@ᦪᑡ/%1²⚗23ᦪᑡ4Ùb=log,,,«„(m>0,/M1),ᑣᦪᑡ/஻,12hᦪÚU.Ûᦪᑡ/%12hᦪᑡ4Ùnb=ma"(m>0),ᑣᦪᑡÜÝ23ᦪᑡ.n41ஹᦪᑡḄD஻⚗ES”4:ᦪᑡḄ⚗7NW4⌕Ë}ᑖÞ°'.UÁXSj,஻22Â%=S”N2)W4ßIᵨÓ7N⊤Õ.)*+,ᦪᑡ/1ḄD஻⚗ES.=(a—2)M+஻+a./%12hᦪᑡ4:/%1Ḅ⚗7N.ᑖ᪆@áÓᦪᑡ2hᦪᑡᡈ23ᦪᑡ4⌕ã2hஹ23ᦪᑡḄäåæç.2hஹ23ᦪᑡḄឋqHIèáḄᳮᵫ.ᵫS“=("2)஻2+”+஺4஻=1W4q=S
=2a-l,U“22W4a-S-S_-nnnt23-2)஻+(3-a).UW4a-a=2(a-2),ª%—é=a—4.ᦪᑡ/%12hᦪn+inᑡ4ᑣ2(a—2)=a—4,ᡠta=0.ᑣ%=-4஻+3.42ஹê᝞@4ë=*+/(஻)Ḅ⌴ìᦪᑡ4:⚗ᵨí(î⚗)½ê᝞@T=g(஻)Ḅ⌴ì]ᦪᑡ4:⚗ᵨïð(ñ⚗)½.)*+,ᦪᑡ/%1ÁÂ4=\,a=3"T+4T(n>2),:ᦪᑡ/%1Ḅ⚗7N.n

21ᑖ᪆@ryÒ⌴ìᦪᑡḄº»¼½Íq2hஹ23ᦪᑡ:⚗7NḄº»¼½.2hᦪᑡḄij⌴ìᐵ@*+|=%+d,23ᦪᑡḄ⌴ìᐵ@=%an-\~an-2=3"2"Tᵫ⚪@a_-a_=3Z,-3k஻N2)÷m@a-a,=3"-'+3n-2+-••+3=-3(1-3)n2n3nùa-t/j=3123஻-13n-1q=l,ᡠt஺=2——(n>2),ªsÁÂXN4Å——(neTV).43ஹûüឋ⌴ìᐵᦪᑡ/1ÁÂ@%=W4+|=8þ“+஺,(4ÿ,஺ᦪ)ᨬ⌕Ḅ⌴ᐵᓃ=1ᦪᑡᦪᑡc=0(bwO)ᦪᑡ$ᦪᑡ.&'⌴Ḅ()*+,ᣚ(.2=%+ᦇ)ᓄᡂ$ᦪᑡ5&.6789:;ᦪᑡ<%=>?@%=1,%+|=2a“+l,(஻eN),5ᦪᑡḄ*⚗I.ᑖ᪆@ᵫ%+i=2%+1N@O+9+1=2(*+1);ᦪᑡ<஺+1=$ᦪᑡ✌⚗R2,Iᓃ/2,ᡠ%+1=2",;%=2"-1.44ஹᙠ&ᦪᑡRZ[Ḅᦪ\]ᵨ⚪⌕⌱abẆdefᓽ⌱ab“hijk”mRᦪᑡḄ“⚗”nopbhiqḄkRri⚗setuᓫḄw⚪xyz{“⚗”|“⚗ᦪ”Ḅᐵet}ᩖḄw⚪ᐜẆd⚗Ḅᐵ(ᓽᦪᑡḄ⌴I)ᯠ5*⚗.6789ᨵ஺ᐗ᪷⚜ḄᙠᨵḄẠ¡¢20%,£⌕ᶇbᐗmRᝄ¦ᝄ§¨©.ªᑜᵨ5®i¯5ᓃḄᨬᜧ±.ᑖ᪆@|ᦪ²ᐵḄ]ᵨ⚪ᙠ&³+´µ⌕¶·⚗ᦪ|ᦪḄᐵᙠ¸ᦪᑡ¹⌕ᢣ».ᱯ½¶·ஹ¾Ḅ¿À.¸ÁḄRÂᐗÃ%=஺(1+20%)-/?=:”b(ᐗ)a=a„(l+20%)-Z?=|a„-&,ᑣa-4b=^a„-4b).ᡠᦪᑡ

22b<®0.08a.ᓽbḄᨬᜧ±ᜧÐR8%a.99501,q=145ஹÒḄ᩽▲⌕Õᱞ@limq"=0,Iql<1¶·limq"Ûᙠ|limq”=0஻i>8"fOO஻i>8¿Ûᙠ,lql>1ᡈq=—1¿²ÀḄslim(l+')"=e,ᱯ½¶·Ḅà᪀âsã/(“),g(”)ᐵå஻Ḅæ⚗çᦪ,n⌕5lim/0.gQl)678195èᑡᔜḄ±@(1)lim""+2"(a2H4)s(2)lim(-)2n."T82"-a"”-»8n+1ᑖ᪆@eåᢣᦪ[Ḅᑖ[᩽▲iîᑖïஹᑖðÀ◀òᦪóe±tᜧḄôõ᪵5᩽▲.(-)"+11+(-)"(1)lal<2=lim-^-----=1sla|>2=limø°—=-1-i-(-r(-r-i(2)|e²ᐵḄ᩽▲w⚪⌕¶·ᐸà᪀⶷ᑮüýᑁ"+”ý²ÿ
ᑖ1,ḄᢣᦪᑁḄᑖ..⌕ᔣᓄ.lim(=")2"=lim(l-(—)"=஻T8஻+1"T8஻+111(..(/)lim(l+------)"=lim(l+------)2n+1n+1"T8஻+1123245lima஻—+6+278஽.=________=1b"->83n+4ᑖ᪆@ABᑖᑖCᐵB஻Ḅ᦮ḄᑖF᩽▲5ᑖḄᨬJḄᢣᦪᜧBᑖḄᨬJḄLᢣᦪᑣ᩽▲NᙠPᑖḄᨬJḄQᢣᦪᑖḄᨬJḄRᢣᦪ;᩽▲CᑖஹᑖḄᨬJUVḄWᦪXPᑖḄᨬJḄYᢣᦪZBᑖḄᨬJḄ[ᢣᦪ᩽▲CV.b\]ᑮ᩽▲1CNᙠḄᵫ`ᑖ᪆aa=0,2=1,ᡠe஺=0/=3.346ஹᳮi᩽▲C“k▲lmḄno”.2221234qa4ABCḄ⚔vᑖwCA(0,—),8(0,——),C(4+—,0)(஻wN),z4ABCḄ᜜|ᙊnnn☢S,ᑣlimS=.n஻(>8nᑖ᪆@⚪5⌕ᐜABCḄ☢᩽▲ᑣC“”Ḅ\]ᑮ஻fcoAஹBஹCvḄᓄ4ABC“ᡡ”ᡂ(ᩩ4ḄC᜜|ᙊḄ.ᨵlimS“=4Z“T8

23¡¢£ᑖ᣸ᑡஹ¦ᔠᭆ᳛47ஹi᣸ᑡ¦ᔠ«ᵨ⚪C✌ᐜ⌕®¯◤⌕±ᡂḄ²³C´µᐸU⌕ᑖ·±ᡂ¸²³Cᑖ¹ºCᑖ»¼᜜⌕ᨵ⌲(ᑡ2¾¿ஹᐜ⌱᣸¾¿ஹÁᑣÂÃᓽÅÆÇȾ¿.ÉᓫᙢÌ@i᣸ᑡஹ¦ᔠÍ⚪⌕η“Ï´µÐѵÏÒ”ᑖ»Ï⌕ὃ⇋ᑮÕ(»ḄÖ×ឋ“»”“»”ÙÚḄÛÜឋ.ÝᐸC᣸ᑡÍ⚪Þ⌕\]“ᱯàᐗâஹᱯàãä”ÙÚḄᐵW(åᙢæÁ☢ᐭèié“ᱯàᐗâᱯà᯿ëᱯàãäᱯàὃ⇋."ìÍ⚪ᑣᵨ“ᣊî”ìÍ⚪ᑣᵨ“ïð”.ᱯwñ⏨@i᣸ᑡஹ¦ᔠÍ⚪■ôzᦪõö⍡ø.1234ABÍ⚪@3ãᵱú5ã᝕úý8ãúþ⌱3ÿ
᪥⚗ᨵ2᝕Ḅ⌱ᦪ.᪵Ḅᐜ5᝕⌱2!ᨵ஺/⌱$ᙠᒕ'Ḅ6)⌱ᨵ஺⌱ᡠ+ᐳᨵ-Ḅ⌱..ᑖ᪆Ḅ┯2345678Ḅ.ᑖ᪆Ḅ9:;ᦪ<=Ḅ┯2.->?᝕Ḅ@ABAஹBஹCஹDஹE,᝞ᐜ⌱ḄBAஹB,$⌱ḄCBC,Kᐜ⌱ḄBAஹC,$⌱ḄBB⌱.LMBN-ḄOP;ᦪᡠ+<=.78ᨵN:RSᑖTUVW⌱Ḅ3Yᨵ2!᝕ᑣB2᝕1ᵱᨵ-⌱3]B᝕ᨵ-⌱.NOP]^_ᡂabᡠ+ᨵ+Cd=40-Ḅ⌱.RiSjᩖW8⌱3Y-mnᩩaK⌱B3ᵱp2ᵱ1᝕.ᡠᨵ⌱BCd,ᑣmn⚪rḄ⌱B48ஹsᓫᙢvbaAḄᭆ᳛yᨵbaAḄ“{|ᦪ”pmnᩩaḄbaḄ“~|ᦪ”Ḅ.ὃḄᭆ᳛⚪▭᣸ᑡஹᔠ⚪Ḅsᓫᵨ.rᔠAḄḄBAḄ“”ᔠA={1,3,5,7,9WḄ+MBAḄ“”Ḅᭆ᳛.ᑖ᪆L“ᓽឋ”¡⚪.⌕78ᳮ“”Ḅr“Ḅ”.ᐗ¥B“{ḄᔠḄᨵ2"-1{ᐸḄᐗ¥ᨬªᨵ"-1{.ᨵ஻-1{ᐗ¥ḄᔠḄᨬªᨵn-2{ᐗ¥.ᡠ+ᨵ஻{ᐗ¥ḄᔠḄ“”▭3ᔠḄ®¯®2{ᐗ¥Ḅ.ᦑᐸᭆ᳛=c%+c%+ᡈ+c%=±.25-131²³´ᑖᔣ¶

2449ஹᔣ¶
Ḅ·¸¹rº»¼〉ᵨ¾¿ÀÁᑣ(ÃÄÅ)✌ȼÉ〉ᵨ“ÊÁ1fTᑣ”(A6+AC)⊤ÌAABCḄÀBCḄÅᔣ¶Í¶ÎḄ·¸¹rº»¼〉ᵨÏÄÁ2ᑣ(лÑOÒᡂḄᔣ¶ᢣᔣÔÎᔣ¶)IÕI⊤ÌAஹBN»ÖḄ×Ød+1ஹBBÙÀḄ¾¿ÀÁḄNᩩÃÄÅᑖÚ⊤Ìᔣ¶5+Bஹa-b(ᡈ
-ÜÝÞᔣ¶
3mnl5+Bl=lZ-El,ᑣᔣ¶5ßḄᐵá-------()Aஹ¾dBஹᚖãdCஹᔣdDஹäᔣ.ᑖ᪆å¹ᑮᔣ¶çèḄ·¸¹rD+MpS-M⊤Ì+£K3BÙÀḄ¾¿ÀÁḄNÃÄÅḄê.ᡃìÝ⍝ÃÄż¯Ḅ¾¿ÀÁîÁÒᨵ⌱B.ïR☢Lñ+ᑭᵨᔣ¶Ḅçèᩭô.U+M=lZ—Mn(Z+3)2=&3)2,ᓄs÷a-b=O,ᨵ1_Ll.----d50ஹᳮᓫᔣ¶ஹ¾ᔣ¶ஹᚖãᔣ¶Ḅ¹r.pÞᔣ¶஺ᔣḄᓫᔣ¶øibäᔣIaI—*aḄᓫᔣ¶“0=-=.IaI—"ARACÜÝùABC,»PmnAú=/l(T-+f^),(/leR)ᑣ»PḄûü()\AB\\AC\AஹBCÀḄᡠᙠãÅdBஹBCÀḄÅᡠᙠãÅdCஹN4¾ᑖÅᡠᙠãÅdDஹBCÀᚖÅᡠᙠãÅ.ᑖ᪆⍝ý“þÿ”ḄᔣᐵḄ⚪=+ᓫ\AB\\AC\AD-------------ᔣஹᔣḄஹᦪᔣḄᭆ.ᑮᑖ!"AB,AC#Ḅᓫ\AB\\AC\ARAT------——.ᔣ$ᑣ&-+"(AB,AC#Ḅᓫᔣ)*+Ḅ,-Ḅ./0#Ḅᔣ$ᡠ(\AB\\AC\__TRACAP=+ᡠᙠ30"NA4ᑖ0ᡠᙠ30$ᑣP5Ḅ67"ZA4ᑖ0ᡠᙠ30.\AB\\AC\⌱C.

2551ஹ9ᔣᡠᡂḄ/ᢣḄ"9ᔣ<ᔣᡠᡂḄ/.9ᔣᦪa==1alibicos>஺@ABᐸD——»——►—♦\b\cos_a,bAEF)ᔣ6ᙠᔣ4#ḄGH.IJK1LMaABC"Ὺ3/O/-$ZC=90°,AC=BC=2,ᑣP•R=Bᑖ᪆Tᱯ!Ḅ"$ᔣVWḄᜳ/Y"^ABCḄᑁ/B,[WḄᜳ/"Ḅ᜜/.]᝞_`ᵫAC=8C=2,ᑣAB=2b$ᑣcABBC=\AB\-\BC\cos—272•2•--=-4.L—42CBIJK2P"4ABC+BCḄD0AD#deAஹDḄf5$ᐭஹAD=4,ᑣh•]V+`Ḅijl".ᑖ᪆TᵫD"BCḄD5MV+m=2V$VBDCVnᔣ$oᡠᡂ/)p.qIᡚl=x0x4,ᑣIs1=4-x.tuᡚ>s+m`=2<V=v2w4vx]0y>4.ᡠ(ᐸijl)
-8,0.52ஹᔣz{Dᱯ!L=}FḄ~ᵨ.ẆᔣḄᐜᓄ)4<ᔣz{.IJKMl»=35Ḅᜳ/)$n=+31,ᔊ=21—IVI.4—►..—»—A~»—♦—♦—♦—►.—♦—♦ᑖ᪆TCD=OD-OC=@2a-bb-@-a+3bb=3a-4b,WJICDM3a-4bI,ᵫ⚪Ma-b=l,ᡠ(IV1=J30v—24`$+167=V10.TᨵᐵᔣḄz{E(ᑭᵨᦪ-ᔠḄ<ᩭ$KE(ᵫ_¡.¢£¤o¥¦ᡂ.53ஹᔣḄᙶ᪗z{"©ὃDḄ«5ᑁ¬$⌕®¯°±.LM1=²)$ᨴ´µ=²%2$@´ᑣa±g=X±}2$¸±¸´$஺/=º-2+ᨴ-2.»4¼$¸`,82$%`$ᑣAB=Wx—2x,y-yc,ᐸᙶ᪗-wD"ᔣḄ¾5ᙶ᪗¿ÀÁ5ᙶ᪗.¢TᔣḄᙶ᪗-wÂÃ#"i2iᐸᑖ-wxj+yjḄ“ÅÆ”.ᐸD;஺ᑖ!⊤ÉxÊஹyÊm<ᔣ£ᔣḄᓫᔣ.ᔣᙶ᪗z{ᨬÌ⌕Ḅ9ÍÎT»ᔣ௃=3$`$|3=y2$¸´"ÐÑᔣᑣᨵT

26aJ-A=X•஽+ஹ•¸=0Ba஻b=xஹ•%x2.g1-0.IJKqO"3/ᙶ᪗Ù5$OA=2i+3j,OB=4i-J,ᙠxÊ#v5P,ÜQsᨬÞ$ßàáNAPBḄᜧÞ.ᑖ᪆Tqå(x,0),ᑣV={x—2,—3},V=ì—4,1},ᑣs•s=(x—2)(x—4)—3=——6x+5=(x—3ñ_4,ᡠ(óx=3á$V•sḄᨬÞj)—4.àáV={1,v3},——•—AP-RP6P={—1,1},ARBPᡠᜳ/eNAPB,ᡠ(cos/4P8=__=——ù.ᡠ(IAPIIBPI52ûZ.APB=7T-arccos----554ஹᑭᵨᔣ/á$⌕l.9ᔣᡠᡂ/Ḅl"I0,ý.ᱯ!Yþ£eᡠᡂ/"┦.ᔣZ>0.1ẑ€,IJ"•<0”#“%&'()*”Ḅ-------&-Aஹᐙᑖ23⌕ᩩ67Bஹ3⌕2ᐙᑖᩩ67Cஹᐙᑖ3⌕ᩩ67Dஹ;2ᐙᑖ<23⌕ᩩ6.ᑖ᪆>?ABC,ᵫ⁰•B<0CNA#(EFAABC'()*E2GHA#(.⌱A.2/#LMᱥOy?=2px&pு0-ᯖWḄXOEYZMᱥO[?AஹB\WE0#ᙶ᪗_WEᑣABO#------------------------------------------------------&-Aஹ┦)*7BஹX)*7Cஹ()*7Dஹ2cHZPeᨵᐵ.y2=2pxᑖ᪆ᵫXO/LᯖWF&4,0-,jᐸlm'X=஻U+",ὶop\p,ᓽ:22x=my+y22y2-2pmy-p2=0,j4&uE3-,8wE'-Eᑣxy'zGE<ᓰ|-=2P2Pn2-----*3"1^-JWA-OB=xx^yy=GG^-<0,ᑣNA08GH#(.⌱C.j2j255ஹᐵᔣZᐸYḄὶEZ)ᦪᔠ#ὃḄ⚪.ᔣ஺={2cosx},B={cosx,gsin2x},x£R.jf@xb=a-b.

27&1-/&x-=l—¢£xe—¥xḄe;&2-ᦪy=2sin2xḄ§¨ᢥᔣc=mlª«¬pᑮᦪy=/&x-Ḅ§¨E¥¯ᦪ°,/?Ḅe.ᑖ᪆&1-ᵫ⚪/&x-=2cos2x+V3sin2x=cos2^+1+V3sin2x=2sin&2x+—-+1,ᵫ⚪6.TCஹV3cீᐔᐔஹ-tᑍsin&2x+—-=----,<----ᡠµx=.62334&2-ᦪy=25¶&2%+£-+1#ᵫᦪு=24112%ᔣ¸«¬᜼Eºᔣ»«¬1¼ᓫ¾pEᡠµm=--,n=1.1256ஹᐵWஹᦪ§¨&ÀO-ᢥÁᔣ«¬ÂÃḄᙶ᪗ஹÄ᪆Å&lm-ḄÆᓄ7WM&x,y-ᢥᔣa={஻?,஻}«¬pᑮWḄᙶ᪗#A//&x+E”,y+஻-7ÀOC/&x,y-=0ᢥᔣ5={Ë,஻}«¬pᑮÀO஺/Ḅlm'x&Ì-°/-஻-=0.ᙠ¯▭ÏᵨLm23⌕ÑÒÓÅECÔᔠ§*Õᦪ§¨&ÀO-ᢥÁᔣ«¬ḄÖ⚪Cµᐜ“ØÙ”ᡂᔣ¸&Û-ஹᔣ»&Ü-«¬Eºᵨᦪ§¨ÆᣚḄÞßàá.221Õâᙊᦇzå-+&3-G=1>ÏḄÀOᢥᔣ«¬pᑮḄÀOḄlm'᪗æl43mElçQ=;22ᑖ᪆âᙊ&X~2--+"+G-=1Ḅê'&2,-3-,«¬ê'&0,0-,ᑣW&2,-3-'ᔣZ43ḄëWEW&0,0-'ᔣ஺ḄìWEᡠµ஺={-2,3}.2«¬ᙶ᪗íEÕ_Wᢥᔣ1«¬Eîâᙊ&ᓰ2-z+&-'+3-G=1ᙠðᙶ᪗ᓄᡂ43'᪗ælmEᑣᔣு=.ᑖ᪆ñZ»«¬lᔣòó.#Õ_Wô&0,0-«¬ᑮ&2,-3-,õöZ={2,-3}.÷ᑮÀO&ᦪ§¨-Ḅ«¬ᙶ᪗2ÆEᙶ᪗íḄ«¬#ÀO&ᦪ§¨-2Æ.\ὅḄlᔣ#2ḄEᓽᔣḄëWZìWាúòó.

28ûüýᑖþÿ
57ஹ☢ḄឋὃḄᑁ.⌕☢Ḅឋᱯ!"ᐳ$Ḅ%&'()☢.ὃ*+☢Ḅ,-ᐵ/0⌕12ᙠ☢Ḅ456758᪷:"4Ḅ;<=>?@Ḅ
.ABC1EFG$HABKL3,AஹB7ᑮ☢aḄRSᑖL1U2,ᑣABᡠᙠY$U☢aᡠᡂ[Ḅᜧ]L^ᑖ᪆!⌕ᑮAஹB☢a456ᙠ☢aḄ75Ḅ;<.`AஹBᙠ☢aḄ450ABᡠᙠY$U☢aᡠᡂ[ᜧ]Larcsin,^`AஹBᙠ☢aḄ750ABᡠᙠY$U☢3TTaᡠᡂ[L஽.2ABC2Eᑨhi⚪!“☢alᨵ"ᐳ$Ḅ%ᑮ☢᜛ḄRS?oᑣ☢aU☢᜛p☢”ḄrᎷ.ᑖ᪆!t()Ꮇi⚪.uᨵ`t%ᙠ☢ᨴḄ4507☢wp.58ஹ$☢ᐵ/%ypḄᐳ4“z{ᐳ”^%yᚖYḄᐳ4“ᡂ[90°$☢pஹ☢☢pᨬᓄL$$p.$☢ᚖYஹ☢☢ᚖYᨬᓄL$$ᚖY.allBaVBABCEFG☢a,/?,Y$a.ᨵᑡi⚪!1all/3^(2)[=>a//aauajaA.J3allballb(3)a_La>=all0(4)aua}na஻/7.ᐸ&Ḅi⚪.h1/3bu᜛ᑖ᪆!ḄᡠḄ⚪ὃi⚪ḄlḄὃᙠ⌱¢ᡈ¤¥⚪¦8ᨵ§¨⌕ᐙᑖᳮ«ᡠ¬Ḅ.1¬Ḅ7☢pḄ()ឋ!®7☢pᑣ()☢ᑁḄ¯(Y$U°(☢p.2⌕ḄY$a±²ᙠ☢aᑁ.3ᑮY$U☢³´Ḅᐵ/!®7pY$Ḅ(ᩩU()☢ᚖYᑣ°(ᩩ¶Ut)☢ᚖY.·ᚖY¸4(Y$Ḅ7)☢p.4᪷:7☢pḄᑨ'G()☢ᑁ7?¹Y$U°()☢p7☢wpº»G!&Ḅi⚪1U3.59ஹY$U☢ᡠᡂ[Ḅ½A0,¾E;7À☢Y$ᡠᡂ[Ḅ½0,¾E.(Á;<ÂÃ☢22[ÄÄᢣ'ḄÃ☢[®Â7☢ᡠᡂÃ☢[u⌕Â>ÆÇḄ┦[Y[;<ᓽ±.ABCEÊAஹBஹCஹDᑖ⊤Îᑡ[ḄÏн!1AY$ÑÒ[ḄÏн^2B┦[^3CY$U☢ᡠᡂ[ḄÏн^4D7À☢Y$ᡠᡂ[ḄÏн.ᵨ“1”ÔÕᔠAஹBஹCஹD×ØÙᩭÛᑮ.7Tᑖ᪆!Y$ÑÒ[Ḅ½A0,Ü┦[Ḅ½0,,.ᵫ»!BcDcCcA.

2960ஹḄÞßà⌕[ஹRSஹáஹ☢áḄÞß.7À☢Y$ᡠᡂ[ஹY$U☢ᡠᡂ[ḄÞßÃ☢[ḄÞßᦻã"⌕Â.Â7À☢Y$ᡠᡂ[±äᑭᵨæḄçèé[êᓄᑮ%[
뫶±äᑭᵨ¥´ᔣíḄçè⌕ᙠçîïᙶ᪗/0ᵨᱯ⌕Ḅ7À☢Y$ᡠᡂ[Ḅ½.`Â>ḄòóÐLa0ᐸᡠᡂ[Ḅᜧ]@Larccos\a\.ABCEçABCD—AIBICQIEABᑣÀ☢Y$DEUBDiᡠᡂ[Ḅᜧ]L.ᑖ᪆!ÏCDF,ᑣBF//DE.øùNDiBFÀ☢Y$DEUBDiᡠᡂḄ[ᡈ⊡[.ÊçḄüKL2,±ÂÛ!=26,8/.ᙠÿBFDicosZP.BF==ᡠ☢DEBDjᡠᡂḄᜧ☢ᡠᡂḄ!"ᙠ$%&Ḅ'()*+ᚖᐵ&./0᝞23(ஹ53(ᡈᨵ89:;☢ᚖḄ:┵=>?@ᑭᵨ%&Ḅ3CDEF,H⌕JKᑮMNᙶ᪗&Ḅ%'3CQRSᙶ᪗T.%'᝞)ᙶ᪗&U23(Ḅ:52,ᑣR(2,0,2)8(0,2,0),0(2,0,0),E(l,2,0).BD={2-2,2},}D£={-1,2,0),Uᔣde3ᡠᡂ6,ᑣgBD.DE-6V15cos0—,—.=—-j=——------.ᡠ☢DEBDiᡠᡂḄᜧIBDIIDEI2V3-V55tV15arccos---5ᱯo◤⌕JKḄq0rᔣdᡠᡂḄqrᔣd3ᔣᡠᡂḄsrᔣdᡠᙠḄ☢ᡠᡂḄᭆuqv8᪵Ḅ.x⚪Ḅᔣd5EᡠᡂḄᜧqr☢DEzBD1ᡠᡂḄ⊡.61ஹ|☢ᡠᡂḄF}~⌕ᢕᙠ|☢Ḅᓄᑮ*F.ᑮ|☢ḄḄF@ᑭᵨᚖC?@ᑭᵨ:┵Ḅ(ᓄ.2:ABC—AIBCIḄ;☢5q2,BG|☢ACCIAIᡠᡂ30°.0+1>:ABC—AIBCIḄ(+2>Cᑮ|☢BAGḄ.ᑖ᪆0+1>:Ḅ(⌕ᐸᓽ@.ᵫBG|☢ACC'ᡠᡂ30°,ᑣ⌕¢BC>ᙠ|☢ACCAiḄ.£ACE,¤ljBE_LAC,ᡠBEJ.|☢ACGAi¤Eg

30qBC,ᙠ|☢ACC.A,Ḅ.ᨵNBGE=3O°.ᵫBE=6«GE=3,ᡠCG=2¬.ᑣ:Ḅ(V=CC)SMBC=2y6,+2>®Cᑮ|☢BAGḄᑣ◤⌕¢ᚖஹRᚖ¯°±²³.ᑭᵨ(ᓄᑣ°/72±´ᓫ.JKᑮ:┵C-ABC>ᓽ:┵C-ABC,ᐸ(—UCᑮ|☢BAGḄ3noh,ᑣḂ5=·᧕5ᑠº=»ᡠCᑮ|☢BAGḄ2¼.62ஹ53(ஹ23(qᨬ¾xḄ¿À(⌕ÁÂÃÄsÅḄ☢ᐵ&.53(Ḅ5ஹÆஹᑖooa,b,C,5/,¤È2=஺2+Ë2+஺2.ᑭᵨÌ8ᐵ&@ᑮÍ☢rÎÏÐ0+>53(Ḅ:ᡠᡂᑖo஺,ÑÒ,ᑣcos?a+cos2/?+cos2/=1+2>53(Ḅ☢ᡠᡂᑖoa,Ñ7,ᑣcos2a+cos2£+cos2y=2.53(ABCD—A|B|CQ|ḄA஺}AḄᩩ:ᡠᡂḄᑖoa,6a=,ᑣ/=-------------------------------------------------()71n71Aஹ—Bஹ—Cs—DஹvQR.6437711ᑖ᪆0᪷Ûcos'a+cos-Ü+cos'y=1cos~y=.,ᑣcosy=/,7=5.⌱C.63ஹ23(☢ᐵ&@ßqὃḄáᑁ·ãä8åᑖḄὃ⚪q23(¢æ(DEç⚪ᡈqè£23(Ḅ8åᑖDEç⚪.éᱯoᐵJ23(⊤☢ᢥvì*íḄîï)ðᵫîïḄ|☢)*ñò'()*.1᝞)q823(Ḅ|☢îï)ᙠÌÎ23(0+1>AFCNᡠᙠḄ|E+2>CNDEᡠᙠḄ☢+3>CNBMᡂ60°+4>DEBMᡠᙠḄᚖ.¬Îç⚪2QḄç⚪ôõqᑖ᪆0ö÷îï)øùᡂ23(+᝞)>.@ú0+2>ஹ+3>ஹ+4>q2Qç⚪.

312ABCD-AIBCQIqᓫû23(üஹýr⇪⇩
Aᔣᩩ“”.⇪⇩ḄA4T……#⇪⇩ḄABf……ᙠ%&'()*⍳,᝞./ᑣ1ᡠḄ3஻+273஻ᡠᙠ89:;☢8=ᐸ'஻eN.?#ஹAB⇪⇩*2007CᔜEFGᙠHIJḄKL⚔
ᜐOP#ஹAL⇪⇩ḄQR------------=TAஹ1UBஹV2Uᑖ᪆1XYᑮ()Ḅ[\/]i*ᕈᕜ`[\[\ᕜ`6./a%2007b[\ᵫ2007=6x334+3d()[\CᡠFefga33b[\CᡠFef.iᑣ()*ᑮjCi
ᡠAOA⇪⇩klḄQR0,⌱D.64ஹn┵⚔
ᙠp☢nqrᑁtunqrḄ᜜wஹᑁwஹᚖwḄᩩy⌕ᑖ{|.᜜w1n}~ᡈn}7p☢ᡠᡂḄq~=ᐙ⌕ᩩyTUᑁw1n}☢7p☢ᡠᡂḄ☢q~=ᐙ⌕ᩩyTUᚖw1Ḅᚖ8=ᐙ⌕ᩩyTᡈn}AAᚖ8=ᐙᑖᩩyT.n┵Ḅ"n}7p☢ᡠᡂḄq~p☢Hnqr”“n┵Hn┵”Ḅ----------------------------------------------------------------------=TAஹᐙᑖ9⌕ᩩyUBஹ9⌕ᐙᑖᩩyUCஹᐙ⌕ᩩyUDஹᐙᑖ9⌕ᩩy.ᑖ᪆1n}7p☢ᡠᡂḄq~ᑣ⚔
ᙠp☢Ḅtup☢nqrḄ᜜wp☢Hnqrᑣ᜜wg'wdn┵Hn┵.kᡂ⌱C.65ஹᐵXH┵'ḄL8qnqr.1ஹஹp☢wQᡂḄ8qnqrU=2}ஹஹp☢ḄᡂḄ8qnqrU=3p☢ḄwQஹp☢᜜ᙊஹp☢ḄᡂḄ8qnqr.=4ஹ}ஹp☢᜜ᙊᡂḄ8qnqr.ᐵXḄ1}7p☢ᡠᡂqஹ}☢7p☢ᡠᡂ☢qḄ☢q*JᙠO¡8qnqr'./73¢Hn┵Ḅp☢஺J¤¥,ᑣn┵Ḅ}7p☢ᡠᡂqḄᜧ¨12

32;}☢7p☢ᡠᡂ☢qḄᜧ¨;n┵Ḅ}☢¤.ᑖ᪆1᝞ª?Hn┵A—BCDḄ//.ᵫ⚪d1-■—a2-h^—a3,ᑣ=4.?BC'
E,⚔
A3412ᙠp☢Ḅtu0.XYnqrADO'¯ᨵ}7p☢ᡠᡂqᓽZADO7}☢p☢ᡠᡂ☢qḄ☢qᓽNAEO.ᵫp☢HnqradE஺=²஻,஺஺=ᑣtgZADO=43,tgZAEO=2³.ᡠ}7p☢ᡠᡂqᜧ¨1,}☢7p☢ᡠᡂ☢qᜧ¨arctg243.^AE=´adµ¶·}☢¤´a?.¶}☢¤µᑭᵨ☢¤tuºᳮ,64ᵫ}☢7p☢ᡠᡂ☢qHᑗ½26ᑣ☢qḄ¾¿½À=,Hn┵ᔜ}☢7p☢V13ᡠᡂḄ☢q*~ᑣÁ=À=,ᡠS®=´a2.S}V13"466ஹ878ᡠᡂḄq87☢ᡠᡂḄq☢qᙠÂÃ%&'*ᨵtuºᳮ.A8ᡠᡂq¾¿½Ḅᜧ¨8ḄᙠÄ8Ḅtu=%AÅ
ᔣÄ8ÆᚖAᚖÇklḄ¢A8ᚖ8ᑣAᚖÇÈᔠtu07ÊḄËU☢qḄ☢q=ᡈᐸ⊡qTḄ¾¿½~Íᐸ'SL☢Ḅªr☢¤s'ªrᙠÄS☢Ḅtuªr☢¤.᝞ªEHIJABCD-A|B|C|D|ḄCDḄ'
ᑣ;☢8BE7CD,ᡠᡂqḄᜧ¨.ᑖ᪆1B
ᙠ8CDḄtuC
%EÆEFJ_CD|ÍEᑣFEᙠ8CD|Ḅtu.?HIJ2,/yᑣ=CF=Y-.?BE7CD|ᡠᡂqa,ᑣ2CFy/10c-,1…A,IALJl0cosa=----=------.ᡠBE7CD,ᡠᡂqᜧ¨arccos------BE1010ÎÏ1ᑭᵨOÐIÑᙠÒ⌱ÓஹÔÕ~Ö⚪PË×IØÙ⌕XYḄÑÒᜧ⚪PÚᵨ.67ஹᱯÜXYᨵ}7p☢ᚖ8p☢HIrஹ8qÝrஹÞr~ß┵ᐵXßL☢*8qnqrḄn┵.()klḄ☢ᐵàὃâ⚪Ḅã
ᑁä.

331᝞ªn┵S-ABC'SA☢ABC,NACB=90°,ᑣn┵ḄßL☢'Ḅ8qnqrḄLᦪᨵL.ᑖ᪆1n┵ḄßL☢*8qnqr.ª'ᨵnᚖºᳮ(4=>5C1SC)U☢q(NSC4SC7☢BC±ACABCᡠᡂḄqNS6ASB7☢ABCᡠᡂḄq)U☢qḄ☢q(ZSCA☢qS-BC-AḄ☢q)~.2᝞ªᙠp☢8qÝrḄß┵1S-ABCD'ZA6C=90°,SA_L☢ABCD,SA=AB=BC=1,AD=—2(1)¶ß┵S-ABCDḄJ¤;(2)¶SC7ABᡠᡂqḄᜧ¨.1311ᑖ᪆1(1)p☢¤S=—(AO+8C)•A8=—,V——,S-SA——.2434(2)ÿ᝞ᙶ᪗ᑣ5(0,01),C(l,l,0),B(0,l,0),SC={1,1-1),ABᔣSCABᡠᡂa,SCABV3ᑣcosaISCIIABI3ᓽSCABᡠᡂḄᜧ(arccos68ஹ-.☢0Ḅ1ᢚ3⚪⌕ᨵᡠ7891ᢚ:ᙠ<=>.☢ᑁḄ@AஹABC@BḄDEᐵGHIḄJ@AᑖLᙠ@M>.☢N@AOPḄQR=STUVIᓄ.⌕YZ[.☢0ᑮ]P0OPḄὶ_`[.☢0Ḅᐵabᑮ]P0Ḅᐵ᪷d3⚪ef]P0.ghij᝞ᙠkl0ABCNDஹEஹFᑖLGᔜqḄNAGஹHஹIᑖLGDEஹFCஹEFḄNA.tl0ABCuDEஹEFஹDFᢚᡂlv┵:BGIHᡠᡂḄᜧ(==()71ᑍC.arccos^V3Aஹ—BஹDஹarccos63AஹBஹCzᔠ|=A,BGGABEDḄNBHI஻BE.ᡠ~BG

34TTHIᡠᡂ.⌱A.669ஹ0Ḅᑖ8ஹᔠG⚪ḄT.☢ᑮ]Pஹ]Pᑮ.☢Ḅᓄ.ghij☢Ḅ=0=v┵S—ABCDḄ☢☢.(1)efv┵S-AB(±*ḄGᔲᙠᩩvᚖ|☢᝞ᙠḄᢣfGNḄᩩᳮᵫ.(2)¢f£v┵Ḅ¤¥¦(3)EGᨬ¨vḄNAFG☢k©0ABCDḄqNᨬ¨vª☢ḄqḄNA¢EFᨬ«vᡠᡂḄᜧ(.ᑖ᪆9G=⍝¯°⚨Ḅ¤²⚪.⌕_᪷d☢☢Ḅ0³ᐜµ¶·¸ᩭ:º8⚪.3⚪G[»N8¼½£-|¾_¿ᨵ=ÀḄ⌕¢¾HfᑣÁÂ8¼.(1)᝞ÃvSA_L☢ABCD.½☢SABஹSADÆGÇῪl0.1a(2)Év┵Ḅ¤¥V=—/¦3(3)ᨬ¨vGSC,EGSCNAÌ☢qABḄNAF,ᨬ«vSA.ᓽ¢EFSAᡠ7TᡂḄᜧ(.HÍ¢f£V.4ÎÏÐᑖBᙊ┵ÒB70ஹBḄÔÕGBᔣÖ©ᔣxØk©ᔣᡠᡂḄÙBGxØᡈxØ.ÛÜBḄÔÕG0°,BÔÕḄßGg0,1).ÙBxØHᚖÜÔÕḄkᑗáâBḄÕ᳛.ghijäÃB0ḄÕ᳛GåBUaᙶ᪗çAèÔÕGLÔÕḄ@éᑣB2Ḅ©ê.ᑖ᪆9ᵫhḄÕ᳛G—ÃBZ,ḄÔÕ-,ᡠ~B/,ḄÔÕ-,ᑣ/,ḄÕ᳛V3,363ᡠ~BḄìêí=î.71ஹJBḄÔÕBḄÕ᳛2,ᑣaïḄᐵG:

35TTTTtga,aeg0,—)U(—,?r)(..,.°22arctgk,k>0nk-<¦a=\.Hᙠa-l^arctgk,k<02ghijäÃB/Ḅ©êGt+0y+c=O,("wO)è/HúaÎûü▲ᑣB/ḄÔÕᜧ(----------------------------------------------------------------()a,aஹtaaAஹarctg—¦Bஹarctg(——)¦CஹTT+arctg—¦Dஹn-arctg—.bbbbᑖ᪆9þᑮB/ḄÕ᳛᝕=-▲ᑣ஽0,ᡠḄbarctgk,⌱B.72ஹ!"#$Ḅ%&'()〉ᵨ-⌕/៉12145(y-7=᝕"-X஺4<52x,>40?x@ᚖB224Ჩy=kx+஺ᙠ4@GḄHIb?x@ᚖB234HLM+G=1,abᙠx@.v@GḄHIᑖP஺Q?ᙶ᪗@TUᙶ᪗V5.ᱯPXYḄZ[ᙶ᪗V52Zᙶ᪗@4\ᙠ]ᙶ᪗@GḄHI^_`ᙠ]ᙶ᪗@GḄHI_`ᑣḄ᳛-1,ᡈV5.cdef?ᙊ2X—142+2—242=1_ᑗᙠ]ᙶ᪗@GHI_`Ḅᨵkk@4Aஹ2ᩩBBஹ3ᩩBCஹ4ᩩBDஹ5ᩩ.ᑖ᪆1XYᑮHI?ItuvḄwPHIᢣḄZy24?ᙶ᪗@z5Ḅk{ᙶ᪗|ᨵ}~2^Z04uᑖ.⌱B.73ஹḄ#$\⌕ᱯPXYḄ᳛ZᔲᙠḄ<\⌕XYᑖ

360ÇÈḄᐙ⌕ᩩÊZA182—42Ë=0KAC-AC^BC-t2212B2GÌÍᨵk{ÎB/|Ḅᐙ⌕ᩩÊZAIAZ+B/=0B஺?7_zḄᐙ⌕ᩩÊZA^B—A,51H0.cde□/ூA᳛_`Z/1஻2Ḅ-------------------------------------24AஹᐙᑖÓ⌕ᩩÊBBஹÓ⌕ᐙᑖᩩÊBCஹᐙ⌕ᩩÊBDஹÔᐙᑖÓ⌕ᩩÊ.ᑖ᪆1/,2᳛_`]ÕÖᔠk<ᨵ/J஻2B]/f஻2,ὃ⇋ᑮᱯØ/|12Ù?X@ᚖᑣ|ÚḄ᳛ᙠ¦ÛG᳛_`©.⌱D.cde2/5P2,3?43,2,8-1,-3Ü5ḄÝABᨵ»ᐳ5ᑣ/Ḅßà-Z.ᑖ᪆1?ÝuvḄᐵµáâãᦪ'äᔠḄ#ᩭᐜ<“᩽▲”²³\Ḅ2᳛4çèéḄêëUìᓄẆï=-1G9=2./?ÝABᨵ»ᐳ5ᑣᐸ᳛ðᙠ\Ḅßà-Z1kW-lᡈkN2,ᡈᐸ᳛ᙠ.£/Ḅßà-Zc஺*ò2,f.4ᑭᵨᦪ'äᔠ¢⚪\ôõḄZ⌕Ḅ᳛Ḅßà-⚪.¢᪵ᩭ<1<5PḄ2஺4?ÝABᨵ»ᐳ52PAஹPB?x@ᚖ4PAஹPBḄᑖPa,᜛2஺ø/4ᑣ/Ḅ᳛ð2ᙠḄù4PAஹPBḄ᳛ᑖPᓃ,ûøû4[ü•û20\ᑣᨵþ[ᓰ2஺ᑣᨵᱏᡈ&N2ᙠ⚪ᑭᵨឋᑜḄᨵᐵᩭ./Ḅ"#$/x,y=0,4%%',8)2$'*/+,ABᨵ-ᐳ/0AஹB2/ᙠ/Ḅ23ᡈᨵ4/ᙠ5'ᑣ/0%ᨴு/082$'409*/+AB:ᨵ-ᐳ/0AஹB2/ᙠ/Ḅ;3'ᑣ/0⚗='"082$'?0᪵A"BᙢD/ḄE᳛75ஹ/AஹBᐵG/HIᓽ/K,ABḄᚖMᑖᚖKE᳛ᐵOMᑖPQABḄR/ᙠ/5.ᱯTUV9WHIXᡠᙠḄE᳛$1ᡈ41HI/Ḅᙶ᪗ᵨ\ᐭḄ"^_.ᓽ/0ᐭ0
0'ᐵGx+y+c=0ḄHI/K-y-c,-x-c
`/0x஺,%ᐵG00x-y+c=0ḄHI/K0Vo-c,x0'+c.

37bcd11f4ghᨵiᙶ᪗OḄjkᢚmn/A02,0'+/800,6'tᔠ*/C03,0'+/Dtᔠᑣ/DḄᙶ᪗$`ᑖ᪆9z▭5K4|HIḄ⚪HIXKABḄᚖMᑖ/9x-2y+5=0,D/KC/ᐵG/ḄHI/./ᐵGḄHI/Ḅᙶ᪗⌕ᢕᚖ0E᳛ᐵO'Mᑖ0R/ᙶ᪗'2|"☢ᑡ"#.D/Ḅᙶ᪗$0a,+ᑣ4=-2,"3-2-2+5=0,_:a—322bcd2ᱥCi9=2%ᐵG%—'+2=0HIḄᱥ$C2,ᑣQḄᯖ/ᙶ᪗$ᑖ᪆92ᱥᐵG4HIᑣḄᯖ/ᐵGHI⌕ᯖ/ᐵGḄHI/ᓽ.ᱥC,Ḅᯖ/ᙶ᪗$01,0',ᡠC2Ḅᯖ/ᙶ᪗$0-2,1'.76ஹ+ᙊḄᐵOḄᑨ⌕Kᑭᵨ/0ᙊ¡'ᑮḄ£¤ᩭᑨ.ᙊCḄ¥¦K§ᙊ¡ᑮLḄ£¤KWdுrL+ᙊC«¤`W1=rL+ᙊC«ᑗ;Wd/,ᙊ¡ᑮax+ᑐÁᡝḄ£¤2d=,r-

38ᨵ2¼;¯/Ü4+ᙊo:ᨵ-ᐳ/.Ýᙊo¥¦rḄÌÍÏK12+஺X+ä+å=0,ᓽÞßOᦪDஹEஹF.⌕UVḄK"#x2+y2+Dx+Ey+F=0⊤êᙊḄᐙ⌕ᩩíKD2+E2-4F>0.Þß4|ᙊḄ"#◤⌕µ|ï«ðñḄᩩí(Ý$᪗à"#+4ã"#Ròµ|óßḄOᦪ).bcd1Áô"#Ax2+Bxy+Cy2+Dx+Ey+F^O⊤êᙊḄᐙ⌕ᩩíK`ᑖ᪆9UVᑮᙊḄ4ã"#R:ᨵõ᪵Ḅ⚗Áô⚗Oᦪò$1.ᑣöᨵ8=0,A=CwO,"#ᓄᡂ9/+/+5x+ùÁ=0+ᙊḄ4ã"#úû_D9-4A-A(—)2+4>°,ᐸᐙ⌕ᩩí$9"=0,0,'=0,02+"2—°4AF>bcd2þᙊC°yX±_Ḅ²³K2,°xXᑖᡂḄ2,ÿ
1:3,ᙊCḄ.ᑖ᪆:᝞ᙊC(x,y)ᙊr.ᙊy!"#Ḅ$%2,ᙊᑮy!Ḅ()1x1,ᑣ᪷,-$.ᙊḄ/0ᐵ23/=/+1,8ᙊx!ᡠᑖᡂḄ;%<
1:3,ᑣx!ᡠ"#Ḅ=ᡠ>Ḅ?@-@ᙊᑮx!()lyl,ᑣr=BIyI.ᑣ-+1=2/.ᓽᡠḄ2y2=1.78ஹIJᙊḄKLᱯNOᙊPQR;SḄᚖ-Uᑖ$VᙊḄ-ᡠᙠḄ-$X-$UᑖᙊḄᐙ⌕ᩩ\V]-$^_`aᙊḄᙊX.;_Sb$ᡠᡂ@-@ḄcSḄVd_$%-Ḅᙊ(ᡈᙊ<)f.ghi11-$/`_S"(4,0).ᙊ+/=4mnAஹB;S,ᑣ=AB?SNḄ;ᑖ᪆Ost.ᙊᨵᐵḄḄv⚪⌕“>#y”ᙊ.ᓽ⌕ᢕ|ᙊḄ}~ᱯN.᝞OONvAB,MஹOV_SᡠdNᙠd$%OM-ḄᙊPᐸ(x-2y+

39y2=4.RᑮSNᙠᙊ+y2=4ᑁU=NḄx—22+y2=4O¢S£ᙠᙊP¤¥¦ᦪaḄ.ᑖ᪆OᙊPḄSᐵn-$Ḅ>¢S¨ᯠᙠᙊPᑣ]-$ª`ᙊ஺,-2,«ᐭ3Oa=3.79ஹ;ᙊ
®Ḅ/0ᐵ2Ḅᑨ°±⌕Vᑭᵨ;ᙊḄḄ´ᡈµ.;ᙊḄᙊ(
®Ḅᜧ¶ᐵ2.ᙊAḄ·ᙊBḄG¸¹·ு»2ᑣᨵO@1bτABl>+r,;ᙊ᜜)O2(2)IAB\-r+r>ᑣ;ᙊ᜜ᑗX(3)-r<1ABl

402Õ`S஺2,0Ö-$/m×$CnAஹB;S஺P=OA+OB,ØÙOAPBḄ☢ᨬᜧ-$/Ḅ.ᑖ᪆O1᝞cᙊI._ᙊNᑁᑗcᙊÚᑣ131=4^·1Û1=ᔆ.¤¥ᨵOl/NI+l/MI=4,1MN1=2xᡠdISḄVdMஹNᯖS4!ḄÝᙊ.ᐸ±fy+4.Ḅ-$x=80ஹÝᙊḄ_Þ?⌕R◚ÄḄᩩ\O_ᜧn;_S
®Ḅ().IJÝᙊKLà
®Ḅᐵ2ᑖá!ஹâ!ஹᯖ(ஹ!ஹâ!ஹᯖ(.ÝᙊᨬKLḄ}~ឋV_ÞḄ⌮ᵨO“ÝᙊPQR^Sᑮ;ᯖSḄ()
µfn!Ḅ”.

41ghi13äᦪZæçIz-2iI+1Z+2i\=4,ᑣZ>éSḄVXᑖ᪆O᪷,äᦪḄ}~RÞäᦪz>éSᑮ2i.-2i>éSḄ()
µ4,êëÝᙊìRᑮ;_S
®Ḅ()4.ᡠdz>éSḄVdí.-2i>éSîSḄ$%.22ghi2PVdὡñᯖSḄÝᙊJ+==1஺òᓃò0PḄ^SôSPæçOa--a----1PF,PF=Q,tgAPFF=-,ᑣÝᙊḄᯖ(.!Ḅ------------------2x2121V5Aஹ^XBஹ^XCஹ^XDஹ---.2333ᑖ᪆Oᵫ⚪3PF,IFF,,8tgZPF.F,=g,iIPὡ1=2IP.τ•ᵫτ»øτ+τPF21=2a#IPF,1=—,1PF,1=—.ᑣ2c=1FF1=ùù.ᑣz={⌱D.i23332a381ஹÝᙊ?^úûüḄýþ⌕ÿ
⌱ឋ⚪
᝞ᙊḄa,Acⅾ"ᙠᯖ%ஹ'(ஹ)*+%ᡠ᪀ᡂḄ/0102'3ᙊḄ)*Ḅ+%4ᯖ%Ḅ506ᙊ7%84ᯖ%50984ᯖ%:;ᜳ0=Ḅᨬᜧ@3)A*ஹBA*ḄCDEF6ᙊ7%8'(GHḄᨬI@8ᨬᜧ@3ᯖ%ᑮᙊ7%ḄGHḄᨬᜧ@8ᨬI@ᑖL6a+c8a-c3Pᙊᯖ%ḄQBᨬᜧ@6B*B
ᨬI@6ᚖ/SB*ᡠᙠ/;ḄQ9ᨵUVWX,ᐸBVZ=.a2y2X\]^1`a/;/Pᙊc+7-=1Ḅeᯖ%
fᙊghḄQBV2,ᑣ/;/ḄkV42ᑖ᪆nEᑮoᙊḄWXBV2,ᡠpo/;ḄkVx=-r.22\]^2`ᙊs+4-=17ᨵ2007vwxḄ%y
z,…,|2007,ᙊḄ}ᯖ%VF,ᦪᑡ{1£,1}9஻=1,2,3|-,2007=6V4Ḅᦪᑡ
ᑣ1Ḅ@6.ᑖ᪆nEᑮIFF.IḄ@6\1,3`,ᦪᑡ6⌴ᦪᑡ
ᨵINLIPF200743,o0

422282ஹᙊj+t=1஺>b>07Ea%P84ᯖ%Fc,F,᪀ᡂḄ102¡UVᙊḄᯖ%ab102.ᯖ%102ḄᕜBV£@2஺+2c,ᑭᵨ102Ḅ¦¡ph§¨©ª|&=஺
o102Ḅ☢V®¯`9°±nEḄ6o²³Ḅ´µPk⌕·¸=.\]^`¹º%4a2,0,52,0,%Cᙠ/;y=l7»¼ACLBC,ᑣpAஹBVᯖ%P%CḄᙊkV.rrjrᑖ᪆nEᑮ4ABCḄ☢V2,½NACB=—,ᓽ/fg—=2,ᑣ¿À=2.ᡠpᡠÁḄᙊ24x2y2kVc+ᓃ=1.62ÃᵫÅ
ÆVaABC6/0102
IABI=4,AC2+BC2=AB2=16,IACI-IBCh2S.„=4,A.r¡ÁhIACI+1BC1=2x=2ab.ᡠpᡠÁḄᙊkV—+^-=1.6283ஹÈÉ;Ḅ£F'Ḅ◚"ᩩÌ6“4ᯖ%ÎÏḄGHᜧS£@9Ð*B="
ÈÉ;ÎÏḄᐵÓ⌕8ᙊḄᐵÓÔᑖÕᩭ
×£F7ᩭØᙊ8ÈÉ;Ḅ£F6aÙÎ
k6aÚÛÎ
Ü4ὅÎÏḄCDឋÞßᐰwx.YX\]^`aÈÉ;cpᙊL+L=lḄᯖ%V⚔%
B*⚔%Vᯖ%
ᑣoÈÉ;ḄkV42ᑖ᪆ᵫ⚪ºÈÉ;ḄÐ*ᙠx*7
¡âᐸkV1-4=1.nEᑮÈÉ;ḄᐸᐵÓ¡a2b2h஺2=2஺2=4,ᡠpᡠÁÈÉ;kV^--X-=L2284ஹãä;6ÈÉ;ᱯᨵḄCDឋÞ
⌕ᱯLnEÈÉ;Ḅãä;k
ᳮ“ãä”ḄEF.222222ÈÉ;j-4=1Ḅãä;ḄkV|-5=0,8ÈÉ;8-c=1ᐳãä;ḄÈÉ;a2b2a2b2a2b2¡pâᡂ8-q=é9ᐸ'CY06ê£ḄÓᦪ=
ÈÉ;Ḅᯖ%ᑮÈÉ;Ḅãä;ḄGH6a2b-ëA*B×

43\]^1`aÈÉ;82——y?=1ᨵᐳxãä;½8ᙊc+2=1ᨵᐳxᯖ%
ᑣoÈÉ;3.3ḄkV;ᑖ᪆ᵫ⚪¡âᡠÁÈÉ;ḄkV^^--y2=AÆᐸᯖ%ᙠ1*7
ᑣ4>0.ᑣ᪗ñòVf3/v2Y2I--aᓃ=1,óô3/1+4=2.hᡠÁÈÉ;VÎaay2=-.32232\]^2`ᐵSxḄkVx2-1=k@x+2bᨵ4vwḄÐᦪ᪷
ᑣÐᦪkḄ@6ᑖ᪆×÷ᦪ0øᐭúû³üý.×ᦪ2²ᔠᐭú,ÿ
Ḅᑣ᧕.ᙠᙶ᪗y=Jx2_1!//=1Ḅ#$%ᑖ'(y=Z!x+2'!+,-!2,0'Ḅ0'Ḅ12.᝞1450WZ<1.85ஹ;<=>Ḅ?@4!1'+ᯖ-Ḅ0BCDḄEFḄᨬHIJKL!ᚖ0
NOḄEF'BPCDḄEFḄᨬHIJNOḄFQ!2'ᯖ-ᑮSCx2#Ḅ-ḄTUᨬHIJc-஺ᑮYSC#-ḄTUᨬHIJc+aQ!3'\1CT]eḄᯖ-^_&PJ#Ḅ-b/5P&=8,ᑣcdef2Ḅ☢h^i9cfgl!mnᙊᯖ-\pq☢hrs'.tuv1lwxḄyz^{-ᓃ=1,PJ#Ḅ-FiஹF2ᑖJḄPᯖ-,916bIPὡ1=7,ᑣIPF1=2ᑖ᪆4ᵫḄ,IIP61-1eᐭH=6xᡈ13.P-ᙠḄ◚ᩩIPF,I+IPF1>1FF1=10,ᡠIPF21=13.2t2222tuv2lnᙊ+=1'2=1Ḅᐳᯖ-^ὡe2,pJḄᐳ-62aUcosNFleF2=Q

44ᑖ᪆4ᵫnᙊ(ᨵᐳᯖ-56-2=a+l,ᡠ஺=3ᵫ.¤ᵫnᙊḄᯖ-\pqḄ☢hxcPFFzḄ☢h^ᵫḄᯖ-\pqḄ☢hxcPFF2Ḅ☢h^ctg-AFPF,ᑣ2ᔞL஽ᓽ=ctgvNFFF2•tgvNKPF2=Y2,ᵫ§¨©{222222cosZFPF=Q.{2\\PF.\+\PF,1=276rr«4¬5ᵫ412!®¯°IPGI>Ied1'±1e஽1=6+6,t1^^1-1^1=273\PFl=V6-V3,¤ᵫIfQ61=4,ᑭᵨ·E,ᳮ5cos/^PE=Q.2tuv3l--/=1!”ு1'ḄPᯖ-^ᵨJ¼#Ḅ-½¾¿nIPKI+IPF?I=2+2,ᑣ^PFFḄ☢h^.}2ᑖ᪆4ᵫ⚪5-Pᙠnᙊ/+/=1#°/KPA=8,ᵫᯖ-\pqḄ☢h©஻+25xÅ
nᙊS=tgg,Å
S=ctgg,ᑣÆᨵ6=1,ᡠcPFFḄ☢hÇ
1.t286ஹÈᱥJÊὃÌ⚪Í⚣᳛ᨬÊḄᙊ┵.ÑÒ᪗Óyz#ÈᱥÔᨵÕÖ®Ḅq©,⌕ØÙyᔣ(᪗ÓyzḄᐵ.®⌕ÜÈᱥḄ᪗Óyz(ÝÞᦪḄ⊤á©âãä.tuvlÈᱥy=41Ḅᯖ-ᙶ᪗JQÓyzJ.ᑖ᪆4ᑮyzy=4/®JÈᱥḄ᪗Óyzᐸ᪗Óq©^/ᡠ¼ÈᱥḄᯖ-ᙶ᪗^!0,'-'Óyz^y=161687ஹ;<ÈᱥḄ=>ឋè4!1'Èᱥ#é-ᑮᯖ-TUÇ
ᑮÓḄTUQ!2'+ÈᱥḄᯖ-(⚔-Ḅ0JÈᱥḄÅëOQ!3'⚔-ஹᯖ-ஹÓìíḄᐵQ!4'+ᯖ-(ÅëOᚖ0ḄEë^ÈᱥḄKLÈᱥy2=2px!p>0'ḄKLF^2pQ!5'KLJ+Èᱥᯖ-ḄEFîᨬHḄᩩ.tuv1lwxÈᱥḄᯖ-^P!U',ÅëO^>=%,½+M!3,2',ᑣ¼ÈᱥḄÓyz^;ᑖ᪆4bÑò▲
ÈᱥḄ᪗Óyz¼⚪ôõö.ὃ⇋ᑮÈᱥḄឋèÓJ(ÅëOᚖ0

45ᑣᐸyz5°^x+'+b=0.ᵫÈᱥḄ,5xÈᱥ#-ᑮᯖ-ḄTU(ᐸᑮÓḄTU15+blâÇù¼“!3,2'ᑮÓTUÇ
IMF1=ûᑣ=V5,Ub=-5±J16.ᡠÈᱥ72ḄÓ^x+y—5±þ=0.tuv2l0/+Èᱥi=4yḄᯖ-(ÈᱥÿAஹBAஹBᑮxḄ3,ᑣ᪵Ḅ/ᨵ-----------------------------------Aஹ1ᩩBஹ2ᩩ"Cஹ3ᩩDஹ%&ᙠ.ᑖ᪆"AஹBᑮxḄ+3,,IJAஹBᑮ/>=-1Ḅ+5.᪷45ᱥḄ789:;5ᱥḄ?@+4,ᦑCD⚪8Ḅᨵ2ᩩ.⌱B.88ஹH5ᱥḄᯖḄJ5ᱥK:Ḅ;L+5ᱥḄᯖ;.M5ᱥy?=2Pxp>0+Sᯖ;ᨵTᑡVᵨឋY"Z5ᱥ/=2pxp>0Ḅᯖ+F,4\],5஽_`52ᱥaḄ.1AஹBஹFbᐳḄᐙᑖe⌕ᩩg`_+=h஺j/k=lm2\ABh+x+p3ABHᯖᑣMAB+@Ḅᙊp5ᱥḄ/qᑗ4ABHXi2t,,112ᯖᑣ+7s5ABHᯖᑣh+jh=h.\AF\\BF\pூvS11/H5ᱥḄᯖp5ᱥwAஹBO`5ᱥḄ⚔ᑣzABOḄ{|`------------------------------------------------------------------Aஹ}b}{Bஹ┦}b}{"Cஹ}b}{Dஹ%7p5ᱥḄᜧᨵᐵ.ᑖ᪆"%Z>5ᱥḄ+y2=2Px,HᯖḄl:x^my+^,ᐭ5ᱥ:"y2-2pmy-p2=0,Z,3>2_ᑣe]=h஺ஹ,2p2pn2->—►39=—.OAOB=xx+yy=~~P~<0ᡠM/A03+}.⌱C.x2x2vS2"H5ᱥV=2px@p>0ᯖḄᡠᨵ;<Ḅᨬs`2P.ᑖ᪆"SḄ.Zᐸᯖ;+AB,A,3஽+ᑣᵫ5ᱥḄ78

46IAB1=%1+x+/?>2jx%2+P=24g+p=2p.£¤¥£X1=x§lᡂ©.>§AB22p\Lᚖ.89ஹ“¬”`®¯pᙊ┵±²³ᐵ´µp;Ḅµᨵᐵ¶⚪ḄVᵨ.“”`ᢣ;¸ஹ;µ“¬”`ᢣ¹;¸ᙶ᪗ᐭ±¼¬.ᵫ¬9Mᑭᵨ;µḄᙶ᪗⊤¿À;ᡠᙠḄÁ᳛.22vSÃM`Åᙊj+j=1Ḅhᩩ%ᚖ\LḄ;ABḄµ0`ᙶ᪗Æa2b2ZOMஹABḄÁ᳛ᑖÇ+A1,%ᑣᓰ42=----------------------ᑖ᪆"ZA(X1,y,),5(X,y,),M(x°,y°),ᑣh=1,-j=1,̼¬:26rbcrbÍߟeÏ+Ð+ÍhÑ?Ò2)=0Ó/+X2=2x°J+y,=2y஺ᡠMab.ᓛ=_Ö.ᓽᓃ&⌱c.x-xxaat2090ஹ£HxaḄ7Aa,0§%`xᑣ>9MZᡂx=wy+஺.᪵9MÝÞßàÁ᳛`ᔲ&ᙠ.â2vSZ/HÅᙊL+y2=1ḄäᯖpÅᙊqwAஹBO`ᙶ᪗Æ£^4OABḄ☢çᨬᜧ§/Ḅ.ᑖ᪆"ᵫ⚪9Z/"x=my+6ᐭÅᙊµ:"é2+42+26êh1=0,Z4ë,852+9:^OABḄ☢çS=5M1+1_1=51ᨴh+I9::V3]12஻J4S2y(m2+4)2+m2+4ᑣ£ñ+1=3§Sᨵᨬᜧs+1.>§/+"x=±6y+6.

4791ஹòḄóô⌕õᐙᑖᙢ¹“ò”p“7”ᨵéḄὶ´øᩭM“7”ᑴ“ò”.û9Mᐜᵫò7óôý.VþòḄóô⌕ÿ.21P^--y2=lḄFḄᯖMPFḄᑣ4MḄ"#$%&ᑖ᪆)*஺0-0./01ு.3*04°.ᵫ⚪89)/=2x—>,@=2,AᐭC—=i9)0xEF.2-4./=1ᓽᡠIḄ"#$%.JKLI"#Ḅ$MNAᐭOPM〉ᵨSᵫTḄᡠUTḄVEḄ"#$%ḄIM.ᐹXYZᵨ⌕I"#$%Ḅᙶ᪗0x,y.ᩭ⊤`TḄ0Xoy0.ᙶ᪗AᐭTḄ$%.2cdeᙊḄᯖg&PeᙊḄEi.᝞klm6PᑮQq9IPQHPFI,tuQḄ"#()2Aஹᙊ&Bஹeᙊ&CஹḄEz&Dஹ|ᱥ.ᑖ᪆)~ᑮeᙊḄឋ)IPF,I+IPFIT,23IP஺1=1*2ஹᡠIKQITᙊḄT8dQḄ"#RᙊeᙊmmḄᙊ.⌱A.KLI"#Ḅ$MNT8M)ᓽ᪷ḄT8ᩭUTḄ"#.92ஹᙊ┵ḄᐵḄ⌕Oᓄ$%᪷ḄiᦪḄὶᙊ┵$%9$%¡¢£ᐸEi¥9ᑮᐵSVEi¦¥ḄEᐗ¨©$%ᑭᵨ᪷Ḅᑨ¬®¯°⌕~¨$☢)EḄ²᳛ᔲµᙠ¨ᡠ9$%ᔲEᐗ¨©$%.·¸¹0ஹ|ᱥ.ὶ9ᑮḄ$%¨©⚗»¼½.¾d/¿M01,1.,C)À2E0_=01.Â/ᨵÄÅᨵEiÆᐳI/Ḅ$%&02.ÂḄÈzᨵÉiÊËḄÌI/²᳛ḄÍÏ&03.ᔲµᙠ/qᐸḄᨵÉiÊËḄÌAஹB,ÄABḄᙊ¿ᙶ᪗ÑÒµᙠIÓÔḄ²᳛ʵᙠÕÖᳮᵫ.ᑖ᪆)01.Ø/xᚖÚx=lÛÜ⚪8.Ø/xÊᚖÚ$%y-l=k0x-l.,ὶ9$%)03—Þ2.À2—2%01Eà.%—0rE2+4.=0-—0*.

48Ø3-Æ=0Ú$%0*.E©$%/ᨵEiÆᐳÔÚ/$%y—l=±£x—l.Ø3—A?70Úᵫ4=48—24k=0,k=2,ᡠÛÜ⚪8Ḅ/)x=l,2x-y-1=0,y-1=±Â0ä-1.02/ḄÈzᨵÉiÊËḄÌᑣ$%0*ᨵÉÊåḄæ᪷.ᵫç=48-24àf2kl—kn03+*2=_è>0,dà<2Ä|,940k-33ÂABḄᙊ¿ᙶ᪗Ñᑣ5ᨌì=0,4í%.,852.ᓽXî2+»2=0.ï2+1ðä2+A1-A0X
+ä2.+1-%2=0WXX,X+9Aᐭᓄñ9)|2|2+4k+1=0,k=-2±y/30ÛÜò<2~)ó᪆ôõḄö÷¥øùᜧEûᩭÕüýḄö÷Cᨬò»ᓄñ9ÓÂ⍗
⚪ᙠḄᜫ.⌕ᨵὊஹ.93ஹᱯᐵᔣ!Ḅ
"⚪#
"!Ḅᔣ⚪.$%&ᙢ(“ᔣ*+”-ᓄ/“
"*+"᝞12•4=0ᓽOA_LOB67஻9ᓽAஹBஹCᐳ;<6ᨵ=>◤⌕(“"@*+”-ᓄ/“ᔣ*+”᝞1NAPB/┦B0,EAஹPஹBᐳ;.FGHIJB᫹ḄL;/Nᱥ;/5ḄᯖSFTNᱥ;UDAஹBVSSCWNᱥ;X;YḄZS.2[AABCW\B]B^SC_ᙶ᪗Ḅbce.|ᑖ᪆1i1L;/j/y=—ᵫ6/=4xlW/7cmA3,2JJ,B6,-no.[aABC/p]B^qijMTVZCAB=-,ᵫNAEr=stuCATvwxyஹ33=IAC1=4,zI451=3+,+2=3.T{஺={81~ᡠABCl$W!p]B^.33ߟ*I——*42A/3—*——►2J3(2)C(—1,)ᑣCA={4,2K—MI},C8={§,—-tn},CACB^(zn—-^-l/ᡠN4CB/\B.

49[NCAB/\Bqij*•<0,={Ḅ5},qij8+i2-mb<0,mுᵯ8.33333——•——■2ஹCr~[BNABC/\BqIJCB•AB?6ᨵr+y2DEFḄGᑮHGḄIJḄK.ஹZDEFḄGMHGNḄ᳛=PᨵQXR“STᱯU”Ḅ>VWᦪ#$ᔠXY.Z.[\(]⚪ᵨ“ᦪ#$ᔠ”Wὃ⇋ᑮaᳮbcḄde1f⌕g0hi⌕Ḅᦻ8kQJU+a2xDa>1Ḅ({{xImWx<஻},஻1=a+l,ᑣᦪaḄ=v------------------------Aஹ23ᑖ᪆ᦪy=dx-lMy=x-஺ḄnD᝞n.hm=1,x=஻'.A/X-1=x-aḄ᪷.ᡠhA/H-1=஻-a,n-ni=a+1,ᵫ஻=a+2,஺=3.⌱B.

50qrs2tᦪ/(x)=sinx+2lsinxl,x£q0,2஻t,[.f(x)=kᨵ¦§<¨Ḅ(ᑣᦪkḄª'ᑖ᪆=.ᦪ/(x)Ḅn[-sinx,xe(¬,27]y=kMᦪy=/(x)Ḅ°Gᑣ1<ᦇ<3.96ஹ“ᑖ²³b”1´'ᙠ(⚪¶:/·¸¹ºW»Ḅ¼½ᓽ“ᑖ²”'(⚪h¾¿ḄÀᯠ⌕Â.ÃᨵÄÅÆÇÈ⌕ᑖ²É⍝Ë᪵ᑖ²ᯠÍÎẆÐÑÒ<,<Óᙢᑜᑖ[Ö²,⌲1·¸ẆÐضᑖ²▭'(⚪ÚÛ1§ÜḄᩩÞ.ßᯠ⌱ᵨ〉ßḄ(/láâ³bW,ãäåáâ.X᝞(ᑖ><=>W1´<'³bᑖ9Ḅæçè'é⚗ஹØᑖÍᑭᵨᦪì᪗᪷/Â(.qrstᦪ/(x)=a(x-l)(aeR).(1)[<=>/(x)>1ᙠ(1,2)FḄ({<'+{ÂaḄª(2)(ᐵvxḄ<=>/(lx-ll)>2.ᑖ᪆(1)[ï(<=>ðᑣñò.óôᑮ/(1)=0,/")'ᐵvxḄ1öᦪ#>Ã⌕/(2)>1ᓽ.ïèa>1.÷᪵øhâù³b.(2)/(Ix-11)>2,ᓽalx-ll>a+2.জß஺=0W<=>({0222ঝßa>0WIx-11>1+—,x>2+—ᡈx<—aaa222ঞßa<0W1ÿ11<1+—.1+—40,ᓽ—24a<001+—ு0,aaa22ᓽa<-2——0)aa/(lx-ll)>2Ḅ$<0,(-2

51⌕ᓄY2/⌕Z[ᑮ⚪]ḄFQ^_`“b”.ᐹ9ᙢf$gᦪQ⚪Ḅᐵh+ijᙢᑏ;gᦪᐵMlᓽmnKᐵMoஹᦪᑡQ⚪⌕ᐵ)“q1⚗stḄᐵM”ஹ“u”Q⚪^_`ᙊ┵xyḄ“Xz”ஹ{|Q⚪}~⌕ὶMiloXᳮ.1ᵨᜋloᵨ`ᐰẈᙽḄ•ᙽᵨ`ᒕḄᙽ……-ᵨ`ᒕḄẈᙽḄᙽ᝞3ᑮា¡Ẉᙽᵨ=¢£ᐳᵨ`ᙽẈ.ᑖ᪆$ᵨ=ᑣᵨẈ2ᙽ.§H¨©ªstᐵM$F஻ᵨẈᙽ஻+1ᵨẈ%ᙽᑣᨵ=¯+1,ᓽ4;=!±ᡠ²ᦪᑡ³4´+µ¶■!■Ḅ¶ᦪᑡ.ᵫ=2,ᡠ²ᐳᵨẈ2+22+23+--+29=1024ᙽ.»¼☢$FᐳᵨẈxᙽq஻ᐳᵨẈS஻ᙽᵨẈ஺஻ᙽᑣᨵ%=—ᱏ+1¢£V-S1a஻=:--2--+1,ª¨Ã±Ä4஻ᓝ+τ2'*n+ᓝcτ2ᵬஹȪᙢ¨ÉsᓟÌÍÎÏᵬᙢᒴÑᙢÒÓÈᙢÑÔÄÕÖcᓟÌ/.ØÍÎÙÚÛᡂÝl²ᐗᓫWoᵫ±ßᑖàáXᑖâᡂ±ßᑖãÑÔulᓟÌ/oḄå¼ᡂi¶¶MᦪáXᑖaᐗ.l1oNᐰæÚÛᡂÝylᐗo⊤éÑÔvlᓟÌ/oḄgᦪl2o`ëᐰæÚÛᡂÝᨬÙÍÎA²ᜧḄÑÔíÒîᑖ᪆$gᦪïḄAᵨឋQ⚪ᙠᑡ;gᦪᐵM⌕)*ᑮgᦪḄXzðgᦪḄXzð±²ÏᩩòóÄᑮ.l1oy=—@bv2+«ol0=Slq+•oAᵨöÝ⌕)*÷ᡂnḄᩩò.q=ᔊv=Jjvv\bJ-225úûv=JqJ3>c,±gᦪî=6l@+ᓃ
ᙠ0,cᓫVb\b\bv⌴y=cᨵᨬ!ᓟ#/%&J|>c,!cᓟ#/%&.98ஹ,-ὃ⚪⌕12“4⚪56”ஹ“8⚪56”Ḅᱯ;<=╋?ஹ@AB⚪.CDEᩖḄG⚪ᙠ,⚪HIJKK⌕⍗ᑮNOB⚪PஹQRSᩩUJḄ“ᐵWX”ᒹZZ[ᑁP]=᧕_ᶍḄᩩU@a>l,bwN…,a


52+,-./⚪11ᨵ3ᨵ4ᣵ67ᩩ9::ᨵ67◚<ᩩ9%=ஹ>?⚪@-.AB⚪C11ᡠE>FG⚪C⌕IJᔲLᔠJᔲᔠᳮ.99.⌕PQ“>⚪JRST1Ḅ”WX⌕YZ[\E>⚪]^_ᯠஹaᵹYZ[\▅ᔁὁf[ghᨎᙢk>lmᑮᡃpḄqrᾭt.⌕uv\ᵨᦻyz{ᵨ|ᐵὶ%⌕@☢Z[◤⌕\ᵨḄ]ឋḄ⌕Ḅ᪗P᝞জஹঝஹ*\ᵨ%k\>⚪]^Zᶍᨵᳮஹ☢Ḅᓫ¡¢£¤¥¦§¨ஹqὃ]^Ḅ⌕¨£@☢Ḅ>⚪⌕ᵨḄᑗ«Z¬]%>⚪Ḅᨬ@®¯,A°ᑮ⚪CḄ±²³.100ஹ¤ὃ«´J¦§ὃµ¶+·J¸ᳮὃµ.¹ᑮµᔁ,ºᐙᑖᑭᵨ|¾F¿ḄÀᑖÁ+Âõᔁᜧ⚪ÅÆ®ÇÈÉ>⚪ḄÊË.ÌÍḄJÎ⚪¥Ḅ“ÏÐ⚪”᝞ÑÒ⚪¥Ḅ12⚪⌱Ô⚪¥Ḅ16⚪«®ÉÕ>F⚪Ḅ¿Ö⚪×᧕Ù®+Ú«ᑮqÛZᐜݮݫ⌕ᙠXß]à+Â.×᧕Ḅ⚪⌕á☟ஹã¸〉º᠒®¨æv箨.ᐸéᡠêὃµæJÃᡃp+ëìḄ¦§ஹíîḄ[ïðñYòᙢóôᙠὃᔁ³Ù[õÃvḄ⚪æJᡂ÷.⍗ᑮù⚪⌕ᑮ╋Éᑖ᪆ஹᜧü±:.¤ὃ¥ýùḄ>F⚪®þv±ÿ
ᑖḄ“▤”“⚪”ᨵ᧕Ḅᑖᑮᓽ!"#$%⌕'ᙠ)*%+,ᑮ-.ᑏ-.,ᑮ0*ᑏᑮ0*123ᨵ-.456“'”ᙠ)*789Ḅ:;<=ὃ?ḄᐰABCDEḄ⚪FGHᑖ%Ḅ⚪Iᑖ.ᑮᡃ᧕L᧕ᡃ%ᜧNᡃLᡃ%O.PQRSὃ?ᡂU;

53-ὃᦪuὃvw⏨1ஹᙠᵨᩩUAqBz_ᶍ{A|}Ḅ~஺2ஹ,ᦪஹ5aᨵᐵḄG⚪12?ᐜḄᑣ஺(ஹᓫஹᑨ᜻Ꮤឋஹ,5aaa)3ஹᑨᦪ᜻Ꮤឋz_ᶍᦪ?{ᔲᐵ;஺4ஹ12y=[/(x)]°ᨵ2/(X)RO஺5ஹᵨᑨᑨ?,⚪z_ᶍqO⚗Ḅᦪ{ᔲ0,¡ᐸ{£ᙊ┵¦£§¨©᧕_ᶍ஺6ஹaª«¬P®¯P12¬Ḅ¯5f°஺7ஹ±ᦪz_ᶍ±ᦪḄ?஺8ஹᦪᓫឋz┯³ᙢᙠg®ᓫµ¶·¸[“U”¹“ᡈ”pᓫ5fᵨ5a⊤¼஺9ஹ,ᐵxḄ5aaxZ+bx+cு஺5⌕¾¿a{ᔲ=0À%12a<0,5a[⌕ᦋÂnᔣ஺10ஹឤᡂÅG⚪ÆÇ஺ḄÉᱯ12஺fᔲcᑮÊ;Ḅ஺11ஹᙠᑖÌᑖÌ⌕Íᑮ“5Î5ÏஹÐOᑖÑ”ÒÀ%ÓÔ஺12ஹᵨaCᦪᑡ¹Ö¹z_ᶍÖC4=1Ḅ~஺-S13ஹᵫ&z_ᶍ஻=1Ḅ~஺[S](Ú=114ஹaCᦪᑡ4JqH0,qW0,Û…Ý[஺

5415ஹᵨᙳ?ᳮᨬ(ᡈ)z_ᶍâ“Pãq?Na”äPᩩU஺16ஹᵨ£Ḅ;æஹæçè£ḄnIz_ᶍæ᳛5êᙠḄ~஺17ஹᵨᑮ£ᑮ£ᡠᡂíÖzîªᩩ£Ḅæ᳛Ḅïðñò᎔஺18ஹᑨ£õ¦£ö÷ᨵeøù£úû£Ḅö÷ᐵᑨ஺19ஹᑖýþ☢
┵
ᑖ

☢
Ḅὶ஺20ஹ┵ᚖ஺21ஹᦪa+bi(a,beR)Ḅ#$%b஺22ஹᙠ()⚪+
᝞-⌕/ᵨᦟᩞ+3ᨵḄ5⌕67
89ᙠ(⚪:;+⌕<=>ᓫḄ@A஺᝞BCDᦪḄᓫFឋ஺23ஹᔜJKḄM:(1)QRᔣTḄᜳK0°<«<180°(2)ZḄ[\K0஺4a<180஺QᩩiZḄᜳK0°<«<90°Lᑮ4ḄK0஺<஺4180஺(3)Qᩩc☢ZᡠᡂḄK0°<«<90°Zg☢ᡠᡂḄK0°<«<90°\Zg☢ᡠᡂḄK0°

55ᳮᦪ{1ஹᵫᓺᑵᔆᵯᾯ᱐
+ᨵᐵ¡ᔠo¢£¤+A/8ᢣḄACBªᢣḄAU8ª£¤¬¬ḕᶍ¤஺<¯ὅ±ᩭḄ³´⊤¶z஺2ஹ4⚓᎔ᦪj¹[»¼)ª223ஹ13⚓26ᩩq⚪+xe[Oಘ/%Á
ᓄ>Ã/(x)=J5sin(2x—Ê)+1,ᵫ24xe[O,£],ᑣ—{];24444ஹ22⚓44ᩩq⚪+Ḅ20%ᦋ%25%ᑖ᪆:;+᪵஺Õᑮ4b+(1.25a-5^)(1.25)4>2a,ÚÕbW0.13a஺5ஹ22⚓45ᩩq⚪+lim(-)2"=/ª“T8஻+14336ஹ37⚓75ᩩq⚪1ᑖ᪆:;+|ABᚖᑖZ;%x—3y+8=0,ÚÕ|D(-,y)o