f(x)=3/2sinx+根3/2cosx化简 根2sin(π/4-x)+根6cos(π/4-x)化简 多谢了
f(x)=cos(2x-π/3)+2sin(x-π/4)怎么化简成(sinx-cosx)(sinx+cosx)
f(x)=2cos*sin(x+π/3)-^3sin^2x+sinx*cosx
化简f(x)=4sinx*sin^2((π+2x)/4)+(cosx+sinx)(cosx-sinx)
已知sinx+cosx/sinx-cosx=2,求2cos(π-x)-3sin(π+x)/4cos(-x)+sin(2π
函数f(x)=[2sin(x+π/3)+sinx]cosx-根3sin^2x,(x∈R).
化简sin^4x/sinx-cosx - (sinx+cosx)cos^2x/tan^2x-1
已知函数f(x)=2cosx*sin(x+π/3)-√3sin^2x+sinx*cosx
设f(x)=2cosx.sin(x+π/3)-根号3 sin平方x+sinx.cosx
sinx+cosx/sinx-cosx=2 求sinx/cos^3x +cosx/sin^3x
已知sinx+cosx/2sinx-3cosx=3 求 2sin²x-3sin(3π+x)cos(π-x)-3
已知函数f(x)=cos(2x-π/3)+(cosx+sinx)(cosx-sinx)
高一数学:已知函数f(x)=2cos*sin(x+π/3)-√3sin^2x+sinx*cosx