化简:(sinx)^2+(sin(x+π/3))^2+(sin(x+2π/3))^2
f(x)=2cos*sin(x+π/3)-^3sin^2x+sinx*cosx
函数f(x)=3sinx+sin(π2+x)
求X解集:sinx=2sin(π/3-x)
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
|sin(x+π/2)|-|sinx|求导过程?
化简 sinx+sin(x+2π/3)+cos(x+5π/6)
函数f(x)=[2sin(x+π/3)+sinx]cosx-根3sin^2x,(x∈R).
已知函数f(x)=[2sin(x+π/3)+sinx]cosx-√3sin²x,x∈R
已知sinx+cosx/2sinx-3cosx=3 求 2sin²x-3sin(3π+x)cos(π-x)-3
已知函数f(x)=2cosx*sin(x+π/3)-根号3sin^2x+sinx*cosx
求2(cosπ/3sinx+sinπ/3cosx) =2 sin(x+π/3) 中2 sin(x+π/3)的得来?