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设函数,则f(x)=sin(2x+)+cos(2x+),则( ) A.y=f(x...
设函数,则f(x)=sin(2x+
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)+cos(2x+
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),则( )
A.y=f(x)在(0,
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)单调递增,其图象关于直线x=
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对称
B.y=f(x)在(0,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023214036230869766/SYS201310232140362308697010_ST/4.png)
)单调递增,其图象关于直线x=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023214036230869766/SYS201310232140362308697010_ST/5.png)
对称
C.y=f(x)在(0,
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)单调递减,其图象关于直线x=
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对称
D.y=f(x)在(0,
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)单调递减,其图象关于直线x=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131023214036230869766/SYS201310232140362308697010_ST/9.png)
对称
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