$\ln\left(x\right)\frac{dy}{dx}=\frac{x}{y}$

$\int\frac{24}{\sec\left(4x\right)\cos\left(2x\right)}dx$

$\frac{6}{7z}-\frac{4}{9p}+\frac{2}{9p}-\frac{15}{7z}-\frac{10}{9p}$

$\sqrt[4]{81x^8}y^4$

$\frac{\tan\left(x\right)-\tan\left(x\right).\sin\left(x\right)^2}{\sin\left(x\right)}$

$\int tan\:\alpha\:\:sec^2\:\alpha\:\:d\alpha\:$

$y=\tan3$