$h\left(x\right)=6-2x^{3}$

$\frac{\cos\left(2x\right)}{\sin\left(x\right)}\:=\:\frac{\cot\:^2\left(x\right)-1}{\csc\left(x\right)}$

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

$x^2-x-200$

$14-\left(18-2\right)-\left(-10-3\right)$

$\int x\left(x^2-5\right)^3dx$

$\left(x^{2bc}\right)^4$