题目内容
将函数
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

A. B.
C.
D.
A y=sin(x-θ)向右平移得F′:y=sin(x-
-θ),
∵x=为对称轴,∴
-
-θ=kπ+
,k∈Z.
∴θ=-kπ-,k∈Z.
令k=-1可得θ=.

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题目内容
将函数 A. B.
C.
D.
A y=sin(x-θ)向右平移得F′:y=sin(x-
-θ),
∵x=为对称轴,∴
-
-θ=kπ+
,k∈Z.
∴θ=-kπ-,k∈Z.
令k=-1可得θ=.