$\frac{dy}{dx}=6tan\left(3y\right)$

$6x\:-\:45\:\le\:15x\:-\:12\:$

$\int_{-3}^{-1}\left(\ln\left(\left|x\right|\right)\right)dx$

$cos\theta\:=sin\theta\:\cdot\:\:cot\theta\:$

$\left(\left(cos\left(2x\right)sin\left(y\right)\right)-\left(sin\left(2x\right)cos\left(2y\right)\right)\right)$

$y=\ln\sqrt[3]{x}$

$\left(-6x^{5}y\right)\left(-7x^{12}y^{8}\right)$