$cot^2y\left(sec^2y-1\right)$

$\frac{dy}{dx}\left(4x^2=\frac{\left(2x+1\right)}{\left(3y^3\right)}\right)$

$5+\left(-3\right)-\left(-2\right)+\left(4+6\right)-\left|3-\left(6-4\right)\right|$

$\lim_{x\to\frac{3}{2}}\left(\frac{\sqrt{8x^3-27}}{4x^2-9}\right)$

$1\cdot10^{-10}$

$\int\frac{2}{\left(x+1\right)\left(x^2+16\right)}dx$

$-1+\frac{\left(5x+6\right)}{\left(x+2\right)^2}$