$\int\left(\left(sin\left(x\right)\right)\left(\left(cos\left(x\right)+20\right)^5\right)\right)dx$

$291.84+344.94$

$\left[\left(-21\right)\:-\:\left(+8\right)\right]\:-\:\left[\left(+16\right)\:-\:\left(-2\right)\right]$

$-1^2+7.-1+6$

$cos2x=-cosx$

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

$\lim_{x\to2}\left(\frac{x^2+8}{x-2}\right)$