5)将函数y=sin 的图象按向量a平移后所得的图象关于点中心对称，则向量a的坐标可能为【】(A) (B) (C) (D)

問題詳情

5)将函数y=sin

的图象按向量a平移后所得的图象关于点

中心对称，则向量a的坐标可能为【】
(A)

(B)

(C)

(D)

參考答案

答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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