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

$$\int_{-4}^4\left(\frac{1}{x^2+16}\right)dx$$

$$-12-\left(-9\right)-\left(-7\right)$$

$$\left(2x^2+6x-3\right)-\left(x^3+2x^2-2\right)$$

$$\sqrt{5}\frac{\left(4\right)^4}{4}$$

$$6.3+4.21+0.129$$

$$2sin\left(t\right)cos\left(5t\right)+2sin\left(5t\right)cos\left(t\right)=\sqrt{2}\:$$