$\frac{\left(\sin\left(x\right)-\cos\left(x\right)\right)}{\cot\left(x\right)^2}^2$

$\left(x^2y^2-4z\right)\left(x^2y^2+4z\right)$

$4n+2n^5+3n^5-5n$

$\int\frac{1}{a^2+b^2-2ab\cos\left(x\right)}dx$

$-738+-487$

$\int\left(\cos\left(3x-1\right)\right)dx$

$\frac{dy}{dx}\left(12xy+y^3+4x^3-6x=0\right)$