要得到函数y=sinx的图象，只需将函数y=cos(x-π3)的图象（）

题干

要得到函数y=sinx的图象，只需将函数y=cos(x-π

3

)的图象（）

A：向右平移 $\frac{π}{6}$ 个单位

B：向右平移 $\frac{π}{3}$ 个单位

C：向左平移 $\frac{π}{3}$ 个单位

D：向左平移 $\frac{π}{6}$ 个单位

上一题下一题 0.0难度选择题更新时间:2018-07-16 05:31:39

A

B

Happy Middle School

We're a bilingual(双语的) school for children of 6～15.We want a cook，a library assistant, a sports coach and a language teacher.

Jobs	Ages	Languages	Skills(技能)	Others
cook	25～40	Chinese	can cook Chinese and Western food	healthy
library assistant	20～35	Chinese， English	can read different kinds of books	careful
sports coach	20～40	Chinese, English	major in(主修) P．E.	healthy and strong
language teacher	—	Chinese, English	major in English	—