函数fx=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)
已知函数fx=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)
函数fx=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)
设函数fx=2cos^2(π/4-x)+sin(2x+π/3)-1,x∈R.求函数fx的最小正周期.
已知函数fx=(1+1/tanx)sin^x-2sin(x+π/4)sin(x-π/4)
求函数fx=(sin^4x+cos^4x+sin^2x*cos^2x)/(2-sin2x)
已知函数fx=[cosx+cos(π/2-x)][cosx+sin(π+x)]
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fx=sin(2x+3分之π)
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(x0=cos(2x-π/3)+2sin(x-π/4)sin(x+π/4)
已知函数fx=sin(2x-π/3)+cos(2x-π/6)+2cos²x-1,x∈R. 1.求函