$\sin\left(0.9273\right)$

$\lim_{x\to0}\left(\frac{a}{ax+1}\right)$

$\:\int\:\frac{x}{\left(ax+b\right)^4}dx$

$7\:cot\left(\frac{\pi}{2}-x\right)cos\left(x\right)$

$\frac{\left(-108\right)}{\left(-36\right)}$

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