$\left(2x^{-3}y^2\right)^3\left(x^4y^5z^3\right)^4$

$\lim_{x\to-1}\left(\frac{x^3-3x-2}{\left(x+1\right)ln\left(2x+3\right)}\right)$

$\int\left(\ln\left(3t\right)\right)^2dt$

$log\left(x^2+3x+12\right)=2$

$2cos\left(3\:\theta\:\right)\:=\:-\sqrt{2}$

$2x+1\le3x+6$

$\sin\left(3x\right)\cos\left(x\right)+\cos\left(3x\right)\sin\left(x\right)$