$$\int-10\cos\left(3m+\frac{\pi}{3}\right)dx$$

$$\int\left(e^{-ar}\cdot\:r^2\right)dr$$

$$2-8+4-5$$

$$\int_0^{10}\left(\frac{1}{768}\right)\cdot x^4\cdot e^{-\frac{x}{2}}dx$$

$$64x+24x+7^2$$

$$\frac{seca}{cota+tana}$$