$\frac{\sin\left(x\right)\left(1-\cos\left(x\right)\right)}{1-\cos\left(x\right)^2}$

$\left(2x\:+\:y\right)dx\:+\:\left(x\:+\:6y\right)dy\:=\:0$

$1-2sin^2\left(\pi\:-t\right)$

$\int\frac{\sec^2\left(\frac{1}{x^9}\right)}{x^{10}}dx$

$\int_{-3}^44\left(5-\frac{x}{2}\right)dx$

$\left(n^5-4n^4+2n^3+8\right)\left(-2n^2\right)$

$8y^2-96y=0$