$10x^3-6y^2z$

$\cos\:\left(2x\right)-2sen^2x=0$

$\left(x+8\right)\left(x-5\right)$

$\sqrt[5]{4x^2}y^3z$

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

$\int\sin^8\left(x\right)cos^5\left(x\right)dx$

$\cot\left(v\right)+\tan\left(v\right)=\sec\left(v\right)\csc\left(v\right)$