$\frac{d^2y}{dx^2}\left(e^{3x}+3x\right)$

$\int\frac{x^3-2x}{x^3-4x^2+4x}dx$

$arcos\left(x\right)-arcsin\left(x\right)=arcos\left(\sqrt{3}x\right)$

$\tan\left(x\right)\cot\left(x\right)-\cos\left(x\right)=\sin^2\left(x\right)$

$\left(24x^4-3x^2\right)^2$

$\frac{1}{csc-cotx}-\frac{1}{sinx}$

$\left(x+2\right)^{\left(2\right)}-\left(x+2\right)^2$