$\frac{dy}{dx}\left(sin\left(xy\right)\right)$

$cot\left(t\right)=1.5$

$\int\frac{x^3}{1-sec\left(x^4\right)}dx$

$\left(ab+s\right).\left(ab-6\right)$

$-\frac{15b}{2}-b$

$\lim\:_{x\to\:\infty\:\:}\left(x^8-\sqrt{x^{16}+14x^8}\right)$

$\frac{dy}{dx}\left(5x-6=xy\right)$