$cosx\:=\:\frac{4}{5}$

$-\left(-12\right)+6-\left(5+4-9-6+2-7\right)-6+\left(-5+8-4+1-2-7\right)-2$

$\sqrt[3]{1-x^3}$

$\left(2m^2+3n^a\right)^2$

$\int\frac{32sin^4xcosx}{\left(4-4sin^2x\right)^{\frac{3}{2}}}dx$

$\frac{d}{dx}\:\frac{3}{x}-\frac{3}{y}=2y$

$\log\left(\frac{20}{x^8}\right)$