函数f(x)=2sin(π/4-x)×cos(π/4+x)-1化简
已知函数f(x)=sin²(π/4+x)+cos²x+1/2求最值
函数f(x)=-√2(sin2x+π/4)+6 sin x cos x-2cos²x+1
已知函数f(x)=(1+1/tanx)sin(x)^2 -2sin(x+π/4)*cos(x+π/4)
已知函数f(x)=2sin(x+π/4)cos(x-π/4)
已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)
已知函数f(x)=sin^2*x-根号3*sinπ/4*x*cosπ/4*x
已知函数f(x)=(4cos^4x-2cos2x-1)/[sin(π/4+x)·sin^2(π/4-x)]化简
已知函数f(x)=(4cos^4x-2cos2x-1)/[sin(π/4+x)·sin(π/4-x)]化简
化简f(x)=(1+√2*cos(2x-π/4))/sin(π/2-x)
已知函数f(x)=cos(2x-π/3)+sin^2 x-cos^2 x
已知函数f(x)=2cos^2 x+2sinxcosx-1 化简后f(x)=√2sin(2x+π/4) 求f(x)在[0
已知函数f(x)=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4) 求函数f(x