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要得到函数y=cos(2x+1)的图象,只要将函数y=cos2x 的图象( ) ...
要得到函数y=cos(2x+1)的图象,只要将函数y=cos2x 的图象( )
A.向左平移1个单位
B.向右平移1个单位
C.向左平移
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102354187675528/SYS201311031023541876755002_ST/0.png)
个单位
D.向右平移
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102354187675528/SYS201311031023541876755002_ST/1.png)
个单位
考点分析:
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