$\left(4wz^24w^2z\right)^2$

$\frac{\sin\left(2x\right)^2}{\cos\left(2x\right)^4}$

$log\left(\frac{1}{sigma\sqrt{2\pi}}\right)e\left[-\frac{1}{2}\left(\:\frac{\left(x-mu\right)}{sigma}\right)^2\right]$

$5000x^{3\:}+\:135y^3$

$\sqrt{-91}$

$sin\left(x\right)cox\left(3x\right)+cos\left(x\right)sin\left(3x\right)=\frac{\sqrt{3}}{2}$

$\lim_{x\to-\infty}2+3x^2-x^3$