$\frac{1-\sin^2\left(x\right)}{\sin\left(x\right)\cot\left(x\right)}$

$6p+3\le2p+5$

$\left(x^2-2xy\right)\left(x^2+2xy\right)-\left(x^2+2xy\right)^2$

$\frac{d^2}{dx^2}\left(4y^2+2-3x^2\right)$

$\left(\frac{8^4\left(-5\right)^9}{\left(8^3\right)\left(8\right)\left(-5\right)^8}\right)$

$\cos\left(x\right)8=4\cdot\sin\left(x\right)^2-8$