$\int x^2\cos^2\left(x\right)dx$

$sin\left(\frac{3\pi}{2}+\theta\right)$

$\int\left(x^5\sqrt[4]{x^6+2}\right)dx$

$\left(m-n\right)^3$

$\frac{\sin\:\left(x\right)}{\cos\left(x\right)^2.\sec\left(x\right)}$

$\log_{10}\left(x^{46}\right)=2$

$\frac{dy}{dx}=sen^2\left(x-y-1\right)$