$\sin^2\left(x\right)=\left(\frac{1}{9}\right)\sin\left(x\right)$

$\int t\cdot e^{\left(s\cdot t\right)}dt$

$-2x-\frac{2}{3}x$

$\left(8m-n^2\right)^3$

$\left(-3\right)^3\cdot\left(-3\right)^5$

$\int\left(\frac{2e^x}{\left(2-e^x\right)^2}\right)dx$

$\lim_{x\to0}\left(\cot\left(x\right)\right)^{\ln\left(x\right)}$