把函数y=sin(2x+π/3)的图像上各点的横坐标变为原来的1/3,再把所得图像向右平移π/8,
则所得图像的周期和初相分别为()A.3π,π/4B.π/3,13π/12C.π/3,-5π/12D.3π,5π/12...
则所得图像的周期和初相分别为()
A.3π,π/4
B.π/3,13π/12
C.π/3,-5π/12
D.3π,5π/12 展开
A.3π,π/4
B.π/3,13π/12
C.π/3,-5π/12
D.3π,5π/12 展开
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