$y+5^3$

$\csc\left(x\right)=2.5064$

$\frac{1}{1+\cos\left(x\right)}+\frac{1}{1-\cos\left(x\right)}=2\sec^2\left(x\right)$

$\int_1^4\left(\frac{1}{\left(4-x\right)^3}\right)dx$

$\frac{dy}{dx}=\frac{-1y}{2}+\frac{3}{2}$

$\int\frac{x^2}{\left(64+x^2\right)^2}dx$

$4p+3q+7p-9q-q-p$