函数f(x)=2sin(π/4-x)×cos(π/4+x)-1化简
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函数f(x)=2sin(π/4-x)×cos(π/4+x)-1化简
函数f(x)=2sin(π/4-x)×cos(π/4+x)-1化简
函数f(x)=2sin(π/4-x)×cos(π/4+x)-1化简
题目错了。。。。。。。。。。。。。
函数f(x)=2sin(x+π/4)sin(x-π/4)+sin2x的值域
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函数f(x)=cos2x+cos(x+π/3)+sin(x+π/6)+3sin^2x的最小值A.0 B.2 C.9/4 D.3
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f(x)=sin(x+π/4)是什么函数
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设函数f(x)=sin(2x+φ)(-π
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