$\lim_{x\to\frac{\pi}{2}}\left(\frac{\cos\left(3x\right)}{\cot\left(5x\right)}\right)$

$\left(3-8\right)+\left(-5-2\right)-\left(-9+1\right)-\left(7-5\right)$

$\int5^{3-2x}dx$

$\frac{3}{5}=\frac{33.75}{x}$

$\frac{d}{dx}2^x\sqrt{2x-3}$

$\int_{29}^{\infty}\left(\frac{9\left(\cos\left(x\right)\right)}{-20\cdot x}\right)dx$

$t i n ( t + 1 )$