$\int\left(3\cos\left(5x\right)\right)dx$

$\frac{\left(4x^2\:yz^{-1}\right)^{-10}}{\left(1024x^6\:y^5\:z^{-4}\right)^{-2}}$

$\left(\cos\left(x\right)\right)\left(\cos\left(x\right)-\tan\left(x\right)\sin\left(x\right)\right)=\cos\left(x\right)^2$

$-8+-237$

$2+3x-7$

$x+1x-2$

$\int\frac{1}{x\left(4-2\ln^2\left(x\right)\right)}dx$