f(sin(x/2))=2-cosx
已知函数f(x)=2sin(π-x)cosx
已知函数f(x)=2sin(派-x)cosx
设f(sin(x/2))=1+cosx,求f(cosx)
设f=[sin(2/x)]=1+cosx,求f(x),f[cos(2/x)].
已知函数f(x)=(sin^2x+cosx+1)/(cosx+1),
f(x)=2cos*sin(x+π/3)-^3sin^2x+sinx*cosx
已知函数f(x)=2cosx*sin(x+π/3)-√3sin^2x+sinx*cosx
已知函数f(x)=2cosx*sin(x+π/3)-根号3sin^2x+sinx*cosx
设f(x)=2cosx.sin(x+π/3)-根号3 sin平方x+sinx.cosx
已知f(x)=sin^2+2SINX.COSX+3COSX^2
函数f(x)=cosx-2cosx*sin²(α/2)-sinxsinα(0
已知函数f(x)=2cosx+sin平方x,求f(x)的最大值