函数f(x)＝2sin(ωx＋φ)(ω>0，－<φ<)的部分图象如图所示，则ω，φ的值分别是(　　)．

题干

函数f(x)＝2sin(ωx＋φ)(ω>0，－

<φ<

)的部分图象如图所示，则ω，φ的值分别是(　　)．

A：2，－

B：2，－

C：4，－

D：4，

上一题下一题 0.0难度选择题更新时间:2019-07-20 08:43:58

从B栏中找出与A栏相对应的答语。

A B

What does she do? ____ A. I was born on May 1^st, 2001.

May I have a look at your present? ____ B. I'm afraid you can't.

Shall we go to the zoo? ____ C. She is a student.

When were you born? ____ D. I want to buy a pair of shoes.

What can I do for you? ____ E. Good idea.

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