$$\int sin\left(3z\right)cos\left(8z\right)dz$$

$$\log_{\left(x+4\right)}\left(x^2-3x-5\right)$$

$$\int_{-1}^1\frac{36-x^2}{x+6}dx$$

$$5+7+9-12-32+31+-5$$

$$\left(y+\frac{1}{2}\right)^3$$

$$\cos\left(x\right)\tan\left(x\right)\sec^2\left(x\right)$$

$$\frac{1}{\tan^2a+1}+\frac{1}{\cot^2+a+1}$$