测试题：高中数学必修4三角函数练习题及答案

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1、测试题：高中数学必修4三角函数练习题及答案三角函数练习题(第一章)一、选择题（每题4分，计48分）2.如果??EMBEDEquation.DSMT4????，那么??EMBEDEquation.DSMT4????=（）??EMBED????Equation.DSMT4????????EMBEDEquation.DSMT4??????EMBEDEquation.DSMT4????????EMBED??Equation.DSMT4??????EMBEDEquation.DSMT4????????EMBEDEquation.DSMT

2、4??????EMBED????Equation.DSMT4????????EMBEDEquation.DSMT4????12??3.函数??EMBEDEquation.DSMT4????的最小正周期是（）??EMBEDEquation.DSMT4??????????EMBEDEquation.DSMT4??????EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4??????????EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4?????

3、???EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4??????4.轴截面是等边三角形的圆锥的侧面展开图的中心角是（）??EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4??????EMBED??Equation.DSMT4????????EMBEDEquation.DSMT4??????EMBEDEquation.DSMT4??????????EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4?

4、???????EMBED12Equation.DSMT4??????5.已知??EMBEDEquation.DSMT4??????，则??EMBEDEquation.DSMT4??????的值等于（）??EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4??????EMBEDEquation.DSMT4??????????EMBEDEquation.DSMT4??????EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4????????EMBE

5、DEquation.DSMT4????????EMBEDEquation.DSMT4????????6.若??EMBEDEquation.DSMT4??????，则??EMBEDEquation.DSMT4??????的值为（）??EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4????????EMBEDEquation.D

6、SMT4????????EMBEDEquation.DSMT4????????EMBED12Equation.DSMT4??????7.下列四个函数中，既是EMBEDEquation.DSMT4??上的增函数，又是以EMBEDEquation.DSMT4??为周期的偶函数的是（）??EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4??????EMBEDEquation.DSMT

7、4????????EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4??????????????，则（）8.已知??EMBEDEquation.DSMT4??????，??EMBEDEquation.DSMT4??????，??EMBEDEquation.DSMT4??EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4????????EM

8、BEDEquation.DSMT4????????EMBEDEquation.DSMT4????????EMBEDEquation.DSMT4????????EMBED12Equation.DSMT4????????EMBEDEquation.DSMT4??????9.已知?