用Matlab画出(sin(x^2))^3和6x(cos(x^2))(sin(x^2))^3还有tan(x)/x的,
已知tan=2,求(cos x+sin x)/(cos x-sin x)+sin^2x
怎么用MATLAB解超越方程cos(x)-2*x*sin(x)-x-0.5*sin(x)*cosh(x)/sinh(x)
证明(1-2sin x cos x )/(cos^2x-sin^2x)=(1-tan x)/(1+tan x)
化简:sin(2派-x)tan(派+x)cot(-x-派)/tan(3派-x)cos(派-x)
求导f(x) = cos(3x) * cos(2x) + sin(3x) * sin(2x).
化简sin(3π-x)cos(x-3/2)cos(4π-x)/tan(x-5π)cos(π/2+x)sin(x-5/2π
求证 tan(2π-X)sin(-2π-X)cos(6π-X)/ sin(X+3π/2)*cos(X+3π/2)=-ta
化简sin(派-x)+sin(派+x)-cos(-x)+cos(2派-x)-tan(派+x)cot(派-x)
y=sin^2(x)+2sin(x)cos(x)+3cos^2(x)的最值 用向量解
判断下列函数的奇偶性 f(x)=[sin(π/2+x)cos(π/2-x)tan(-x+3π)]/[sin(7π-x)t
(1-(sin^4x-sin^2xcos^2x+cos^4x)/sin^2x +3sin^2x
化简y=sin^2(x)+2sin(x)cos(x)+3cos^2(x)