$2\sin\left(x\right)+2\cos\left(y\right)$

$\frac{2}{\csc\left(x\right)+\cot\left(x\right)}+\frac{2}{\csc\left(x\right)-\cot\left(x\right)}=4\csc\left(x\right)$

$\sqrt[4]{x^6}$

$-x^2+8x+9$

$\left(2m\right)^2\left(2m\right)\left(2m\right)^5$

$\:\frac{1}{x}dx+dy\:=\:0.\:$

$\int10tan\left(u\right)sec\left(u\right)du$