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

$\int\left(8+e^{-f}\right)^2e^{-f}df$

$\arcsin\left(0.02\right)$

$\left(30w\:-\:10\right)\:\left(30w\:+\:1\right)$

$\frac{2x^3+4x^2-3x+8}{x-2}$

$2senx=-1$

$\left(n^2-4\right)\left(n^6+12n^4+48n^2+64\right)$