$\csc\left(x\right)+\sin\left(x\right)=\frac{1+\sin^2\left(x\right)}{\sin\left(x\right)}$

$\left|-8\right|+24$

$2534-146$

$\int\left(z^2+3z\right)tan^{-1}\left(z\right)dz$

$f\left(x\right)=x^{2}-6x^{2}+8x$

$y=\left(1+\frac{1}{x}\right)^x$

$\lim_{x\to4}\left(\frac{x-4}{2-\sqrt{8}-x}\right)$