$\frac{1}{\sec\left(x\right)\tan\left(x\right)}=\csc\left(x\right)\sin\left(x\right)$

$4x^4+16x^2$

$\sqrt[4]{6}+2\sqrt[4]{6}-3\sqrt[4]{6}$

$w-2w$

$\frac{1}{n}\left(x-1\right)^n$

$\int\:\frac{9x^2-25x-10}{x^3-4x^2-5x}\:dx$

$\lim_{x\to\infty}\left(\frac{x^2+x-12}{x-1}\right)$