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定义在R上的函数f(x)既是偶函数又是周期函数.若f(x)的最小正周期是π,且当...
定义在R上的函数f(x)既是偶函数又是周期函数.若f(x)的最小正周期是π,且当x∈[0,
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]时,f(x)=sinx,则f(
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)的值为( )
A.-
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B.
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C.-
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231215604183213/SYS201311012312156041832005_ST/4.png)
D.
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考点分析:
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设函数
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(其中0<ω<2),若函数f(x)图象的一条对称轴为x=
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,那么ω=( )
A.
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B.
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C.
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D.
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将函数f(x)=sin2x+cos2x的图象沿x轴向右平移
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个单位,所得函数的解析式为( )
A.
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B.
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C.
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D.
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若
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231215604183213/SYS201311012312156041832002_ST/0.png)
,则tanα•tanβ=( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231215604183213/SYS201311012312156041832002_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231215604183213/SYS201311012312156041832002_ST/2.png)
C.
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D.
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设sin(
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+θ)=
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,则sin2θ=( )
A.-
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B.-
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231215604183213/SYS201311012312156041832001_ST/3.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231215604183213/SYS201311012312156041832001_ST/4.png)
D.
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已知集合M={0,x},N={1,2},若M∩N={2},则M∪N为( )
A.{0,2}
B.{1,2}
C.{0,1}
D.{0,1,2}
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