$\frac{cosx+cotx+1}{cosx}=secx+1+cscx$

$\int\frac{\left(x\cdot ln\left(x\right)\right)}{x}dx$

$\sqrt{\sin\left(\pi\right)\cos\left(\pi\right)}$

$2.375sin\left(\frac{\pi}{6}\left(0\right)-\frac{\pi}{2}\right)+12.125$

$\int\frac{14x-1}{\left(x-2\right)\left(4x+1\right)}dx$

$\lim_{x\to3}\left(x^2+2x+1\right)$

$\frac{x^2}{x-3}-\frac{3x}{x-3}$