$\left(\frac{2r^3t^6}{5u^9}\right)^4$

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

$24.3+8.598$

$\frac{cosxcotx}{csc^2-1}$

$\int_{-1}^2\left(\frac{1}{\sqrt[2]{x}}\right)dx$

$cot\left(45\right)-tan\left(45\right)$

$\cot\left(x\right)\sin\left(x\right)-\tan\left(x\right)\cos\left(x\right)$