化简f(x)=sin(x-π/4)+4*(根号2)sinxcosx-cos(x+π/4)-2
已知f(x)=cos^4x-2根号3sinxcosx-sin^4x 化简
已知函数f(x)=cos^4(x)+(2根号3)sinxcosx-sin^4(x)
已知f(x)=cos^2x+sinxcosx g(x)=2sin(x+π/4)sin(x-π/4)
已知函数f(x)=sin^4-2根号3sinxcosx-cos^4x+1
已知f(x)=5cos²x+sin²x-(4根号3)sinxcosx
求函数f(x)=5根号3cos^2x 根号3sin^2x-4sinxcosx(兀/4
f[X]=sin[X-π/4]+4根号2×sinXcosX—cos[X+π/4]—2 X∈[π/4,π/2]求函数最大值
函数f(x)=sin^4x+2sinxcosx+cos^4x 的最大值是多少?
已知函数f(x)=cos^4x-2sinxcosx-sin^4x
已知函数f(x)=cos 4 x-2sinxcosx-sin 4 x
已知函数f(x)=sin^2x+根号3sinxcosx+2cos^2x当x∈【0,π/4】时求值域
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