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已知函数f(x)=sin(2x+φ),其中φ为实数,若f(x)≤|f()|对x∈...
已知函数f(x)=sin(2x+φ),其中φ为实数,若f(x)≤|f(
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)|对x∈R恒成立,且f(
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)<f(π).则下列结论正确的是( )
A.f(
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π)=-1
B.f(
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)
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C.f(x)是奇函数
D.f(x)的单调递增区间是[kπ-
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,kπ+
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](k∈Z)
考点分析:
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