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时间:2018-04-07
《三角函数2017高考题汇总》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、三角函数1.(天津理2011),(Ⅰ)求的定义域与最小正周期;(Ⅱ)设,若求的大小.2.(浙江文2011)已知函数,,,.的部分图像,如图所示,、分别为该图像的最高点和最低点,点的坐标为.(Ⅰ)求的最小正周期及的值;(Ⅱ)若点的坐标为,,求的值.3.(北京理2011)已知函数。(Ⅰ)求的最小正周期:(Ⅱ)求在区间上的最大值和最小值。4.(四川2011)(Ⅰ)求的最小正周期和最小值;(Ⅱ)已知,求证:解三角形(1)(浙江理2011)(本题满分14分)在中,角所对的边分别为a,b,c.已知且.(Ⅰ)当时,求的值;(Ⅱ)若角
2、为锐角,求p的取值范围;2.(江西理2011)在△ABC中,角A,B,C的对边分别是a,b,c,已知sinC+cosC=1-sin(1)求sinC的值(2)若a2+b2=4(a+b)-8,求边c的值3.(山东理2011)在ABC中,内角A,B,C的对边分别为a,b,c.已知.(Ⅰ)求的值;(Ⅱ)若cosB=,b=2,求△ABC的面积S.4.(山东文2011)在△ABC中,角A,B,C的对边分别是a,b,c,已知sinC+cosC=1-sin(1)求sinC的值(2)若a2+b2=4(a+b)-8,求边c的值5.(江苏2
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