$\cos\left(x\right)+\frac{\tan\left(x\right)}{\csc\left(x\right)}=\sec\left(x\right)$

$\frac{10x^2+7x-12}{2x+3}$

$\frac{dy}{dx}=\frac{y^2}{sin^2\left(x\right)}$

$732.08+1.902$

$81x^4-y^4$

$f\left(x\right)=\left(-5+x^2\right)^{-1}$

$\lim_{x-2}\left(\frac{x^2-5x\:+\:6}{x^2\:-3x\:+2}\right)$