$\frac{\sqrt{64}}{8}$

$7csc\left(x\right)tan\left(x\right)+7sec\left(x\right)$

$\cot\left(x\right)^2=\frac{csc\left(x\right)^2}{1+tan\left(x\right)^2}$

$8n=120$

$x\left(x-4\right)0.6^{x-5}$

$\left(-7-4i\right)+\left(7-5i\right)-\left(-3+2i\right)$

$\int_0^4\left(\frac{8e^{-\frac{4}{x}}}{x^2}\right)dx$