$\int x^3\sqrt[3]{x^4+1}dx$

$\cos\left(\sin^{-1}\left(\frac{r}{5}\right)\right)$

$\left(3w^{-2}-2w^{-5}\right)^2$

$9x^4y^2+12x^3y^2+4x^2y^2$

$2tan\left(\frac{x}{3}\right)=5$

$\frac{60+80}{2}$

$\lim_{x\to\pi}\left(\frac{1+\cos\left(3x\right)}{\left(x-\pi\right)^2}\right)$