$\int\left(\frac{\left(cos\left(x\right)\right)}{1+sin\left(x\right)}\right)dx$

$\frac{\left(a^3\right)}{a^2}^2$

$\lim_{w\to1}\left(\frac{-1}{w-1}\right)$

$\left(8y+2z\right)^3$

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

$-\frac{15}{5}$

$-\:13\:-\:\left(-\:7\:+\:3\:-5\right)$