y=sin(x-π/3)cosx=[sin(2x-π/3)+sin(-π/3)]/2
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
求函数y=2sinx*cos(3π/2+x)+√3cosx*sin(π+x)+sin(π/2+x)*cosx的最小正周期
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
利用cosx=sin(π/2-x),sin'x=cosx,证明(cosx)'=-sinx
函数y=cosx•sin(x+π2
Y=2COSX·sin(X+pai/3)-根号3sin平方X+sinX·cosX
求2(cosπ/3sinx+sinπ/3cosx) =2 sin(x+π/3) 中2 sin(x+π/3)的得来?
已知函数f(x)=2sinxcos(π/2-x)-根号3sin(π+x)cosx+sin(π/2+x)cosx