已知函数f(x)=√(sin^4(x/2)+4cos^2(x/2))-√(cos^4(x/2)+4sin^2(x/2))
已知函数f(x)=cos(2x-pi/3)+2sin(x-pi)*sin(x+pi/4)
已知函数f(x)=cos^4x-2sinxcosx-sin^4x
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)=-4cos^2 x+4√(3)sin x cos x+5,x属于R
已知函数f(x )=sin ^2x +2√3sin x cos x +3cos^x 、求函数f (x )的单调增区间
已知函数f(x)=cos^4 x-2sin x cos x-sin^4 x
已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)=sin(2x-π/6) ,
已知函数f(x)=2sin(x/4)cos(x/4)+(√3)cos(x/2),求
已知向量m=(2√3sin(x/4),2),向量n=(cos(x/4),cos^2(x/4)),函数f(x)= 向量m×
已知函数f(x)=cos^4x+2√3sinxcosx-sin^4x
函数f(x)=sin(2x+派/4)+cos(2x+派/4)