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函数y=f(x)的图象如图所示,则y=f(x)的解析式为( ) A.y=sin2...
函数y=f(x)的图象如图所示,则y=f(x)的解析式为( )
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101222729526619165/SYS201311012227295266191003_ST/images0.png)
A.y=sin2x-2
B.y=2cos3x-1
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101222729526619165/SYS201311012227295266191003_ST/0.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101222729526619165/SYS201311012227295266191003_ST/1.png)
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