$\int_{-\pi}^{\frac{-5\pi}{6}}tan\left(x\right)sec^2\left(x\right)dx$

$\csc x+\cos x\cot-x=\sin x$

$\frac{\left(2-cot\left(x\right)\right)}{2sec\left(x\right)-csc\left(x\right)}$

$\left(y\:-\:5\right)^2$

$\int\sqrt[3]{x}\left(\sqrt{x}+1\right)dx$

$\int_{-3}^3\left(\left(x^2-9\right)-\left(-x^2+9\right)\right)dx$

$\left(9x^2+4y^4\right)\left(9x^2-4y^4\right)$