$\frac{tan\left(x\right)cos\left(x\right)}{sin\left(5x\right)}$

$\int\frac{\left(\cos\sqrt{x}\right)}{\sqrt{x}}dx$

$\ln\left(x\right)+\ln\left(x-1\right)=\ln\left(2\right)$

$3-\left(-5x^{5}y^{2}\right)^{2}$

$\frac{y}{12}+2=-16$

$in\left(x^2-4\right)$

$\int2e^{x^3}dx$