化简:3/2cos x-(根号3)/2sin x
化简 1/2cos x-根号3/2sin x 根3sin x+cos x
化简:3/2cos x-(根号3)/2sin x
化简2sin^2[(π/4)+x]+根号3(sin^x-cos^x)-1
已知函数f(x)=sin平方+根号3 sin x cos x+2cos平方x,x∈R
已知f(x)=cos^4x-2根号3sinxcosx-sin^4x 化简
sin(x+派/3)+2sin(x-派/3)-根号3cos(2派/3-x)
sin(x+π/3)+2sin(x-π/3)-根号3cos(2π/3-x)
sin(5x)-sin(3x)= 根号2cos(4x)
根号3sin x+cos x要化简
化简y=sin^2(x)+2sin(x)cos(x)+3cos^2(x)
化简[1-(sin^4x-sin^2cos^2x+cos^4x)/(sin^2)]+3sin^2x
(急)数学化简题根号3 sin x+cos x1-2sin2 x+sin x cos x注:sin2 x是sin平方x