f(x)=2sin(x+π4)+2sinxcosx=2sin(x+π4)
已知f(x)=cos^2x+sinxcosx g(x)=2sin(x+π/4)sin(x-π/4)
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函数f(x)=sin^4x+2sinxcosx+cos^4x 的最大值是多少?
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已知函数f(x)=cos^4(x)+(2根号3)sinxcosx-sin^4(x)
已知函数f(x)=cos 4 x-2sinxcosx-sin 4 x
已知函数f(x)=sin^2 x+2根号3sinxcosx+sin(x+π/4)sin(x-π/4),x属于R,求f(x
f(x )=cos^4x-2sinxcosx-sin^4x (1)求周期T (2)若x∈【0,π/2】求f(x)值域
已知函数f(x)=2cosx*sin(x+π/3)-根号3sin^x+sinxcosx 1.求函数f(x)的单调递减区间
已知函数f(x)=sinxcosx+sin²x 求f(0)和f(π/2)的值
已知函数f(x)=sin^2x-2sinxcosx+3cos^2x
已知函数f(x)=sin^2x+2sinxcosx+3cos^x