为什么f(x)=sin(180/3-x)=-sin(x-180/3)=sin(x+360/3)=sin(x+210-90
求导f(x) = cos(3x) * cos(2x) + sin(3x) * sin(2x).
化简!f(x)=sin(pai-x)cos(3/2pai+x)+sin(pai+x)sin(3/2pai-x)
如果f(cos x)=sin 3x,那么f(sin x)等于
已知函数f(x)=2√3sin²x-sin(2x-π/3)
f(x)=2cos*sin(x+π/3)-^3sin^2x+sinx*cosx
已知函数f(x)=2根号3sin平方x-sin(2x-π/3)
高中数学:已知函数f(x)=2sin(x+π/2).sin(x+7π/3)-
已知函数F(X)=√3sin 2x 2sin^2(x∈r)
函数f(x)=3sin(x+10度)+5sin(x+70度)的最大值
已知f(x)=sin
设f(x)=[2cos^3 x-sin^2 (360°-x)+2sin(90°+x)+1]/2+2cos^2 (180°
s = 2*sin(x)-sin(2*x)+2/3*sin(3*x)-1/2*sin(4*x)+2/5*sin(5*x)