要得到y=cos(2x+π/4)的图像,只需将函数y=sin2x图象A左移π/8 B右移π/8 C左移π/4 D右移π/4
问题描述:
要得到y=cos(2x+π/4)的图像,只需将函数y=sin2x图象A左移π/8 B右移π/8 C左移π/4 D右移π/4
答
C 左加右减
要得到y=cos(2x+π/4)的图像,只需将函数y=sin2x图象A左移π/8 B右移π/8 C左移π/4 D右移π/4
C 左加右减