$\int_{-2}^2\left(8\sqrt{8-x^2}\right)dx$

$366-\left(-429$

$\int x^nsenxdx$

$\frac{\cos\left(x\right)}{1-\tan\left(x\right)}-\frac{\sin\left(x\right)}{\cot\left(x\right)-1}$

$5\left(3xy\right)^3.\left(4xy\right)^2$

$\frac{\sin x.\cos x}{1+\cos^2x-\sin^2x}$

$\left(\frac{1}{4}\right)^0$