$\frac{csc\left(\theta\:\right)-1}{cot\left(\theta\:\right)}=\frac{cot\left(\theta\:\right)}{csc\left(\theta\:\right)+1}$

$\int-5arcsin\left(4x\right)dx$

$\sqrt{\frac{81a^3b^5c^{12}}{144a^3b^3c^{16}}}$

$p^{\prime}\left(t\right)=\frac{0.4e}{\left(1+e^{-0.1t}\right)^{2}}$

$-x^2+2xy-3xy^2$

$\left(-2\right)^3-\left(3\right)\cdot\left(2\right)+2\cdot\left(-1\right)$

$\int3x^2-5x+\pi dx$