2sin(2πx)cos(2πx)+根号(3)sin(2πx)=0 0
2sin(2πx)cos(2πx)+根号(3)sin(2πx)=0 0
化简2sin^2[(π/4)+x]+根号3(sin^x-cos^x)-1
函数f(x)=根号3sinωx+cosωx(ω>0)怎样变为f(x)=2sin(ωx+π/6)
sin(x+π/3)+2sin(x-π/3)-根号3cos(2π/3-x)
已知函数f(x)=sin^2*x-根号3*sinπ/4*x*cosπ/4*x
已知函数f(x)=sin²ωx+根号3sinωx乘sin(ωx+π/2)+2cos²ωx,x∈R,(
求化简f(x)=sin^2x+2根号3sin(x+π/4)cos(x-π/4)-cos^2x-根号3
f(x)=sin平方x+2根号3sin(x+π/4)cos(x-π/4)-cos平方x-根号3
已知函数f(x)=(√3sinωx+cosωx)*sin(-3π/2+ωx)(0
已知f(x) =sin^2 x +2sinx cos x + 3 cos^2 x ,x∈(0 ,π) .
已知sin(x+π/3)cos(x-π/3)+cos(x-π/3)sin(x-π/3)=-(2根号2/3)且π
已知函数f(x)=[sin(x+a/2)+根号3cos(x+a/2)]*cos(x+a/2),若a属于(0,π),且f(