$\frac{4\left(\cos\:\left(\theta\:\right)+1\right)}{2\sin\:\left(\theta\:\right)+\sin\:\left(2\theta\:\right)}$

$\int x\:5x\:\left(-6\right)dx$

$+2+\left(+8\right).\left(6\right)-\left(-7+6\right)$

$\frac{36x^{3}y^{2}z^{4}}{12x^{2}y^{2}}$

$\frac{d}{dx}\left(7x^2-3\right)$

$\frac{dy}{dx}=5yx^2$

$-2\cot^2\left(x\right)=\frac{1}{\sec\left(x\right)+1}-\frac{1}{\sec\:\left(x\right)+1}$