$5x-2\:>\:3x+\:11$

$\sin\left(30\right)\cdot\tan\left(30\right)+\cos\left(30\right)$

$\frac{1}{\sqrt{2x-3}}$

$\int\frac{x^2}{-\left(-3-4x+4x^2\right)^{\frac{3}{2}}}dx$

$\int_0^{\frac{2}{9}}\left(x^2\sqrt{4-81x^2}\right)dx$

$\:\int\frac{3}{\sqrt{1-49x^2}}dx$

$\int\cos\left(x\right)\cdot\cos\left(nx\right)dx$