$\frac{d}{dx}\left(\frac{x^2}{a^2}-\frac{b^2}{y^2}=5\right)$

$3x^2+9x-30>0$

$cos\left(\frac{3}{5}\right)^2+sin\left(x\right)^2=1$

$5a+8a-a-6a$

$\int_0^{\pi}\left(sec^2\left(\frac{t}{3}\right)\right)dt$

$\frac{4x^3}{2x^2}$

$\lim_{u\to\frac{\pi}{4}}\left(\frac{tan\:u\:-\:cot\:u\:}{u-\frac{\pi}{4}}\right)$