怎么解sin(x)*cos(x)=0.5
怎么用MATLAB解超越方程cos(x)-2*x*sin(x)-x-0.5*sin(x)*cosh(x)/sinh(x)
sin(sin(sin(sin(x)=cos(cos(cos(cos(x),X等于多少?
(sin^2x+cos^2x )(sin^2x-cos^2x)怎么得sin^2x-cos^2x?
cos^2 x - sin^2 x 是怎么化简=cos 2x
已知tan=2,求(cos x+sin x)/(cos x-sin x)+sin^2x
Matlab编程问题 cos(x*y)*cos(x*(1-y))-0.5x*sin(x*y)*sin(x*(1-y))=
sin(-x)=sin(x),cos(-x)=-cosx对吗?
sin²x=(0.5-cos 2x)/2
解不等式sin x>cos x
MATLAB画图,y=sin(x)*(cos(x)-1)/((2*sin(x.^2)+4*cos(x)).^0.5)-(
y=sin^2(x)+2sin(x)cos(x)+3cos^2(x)的最值 用向量解
求导f(x) = cos(3x) * cos(2x) + sin(3x) * sin(2x).