$\frac{x+2}{x+3}=\frac{5}{x-1}$

$\left(x^{-1}y\right)dx+\left(\ln x+3y^2\right)dy=0$

$\log_{16}\left(y\right)+\log_{16}\left(2\right)=1$

$\int sec\left(24x\right)tan\left(24x\right)dx$

$94.963=r\tan\left(\frac{i}{2}\right)$

$\lim_{x\to\infty}\left(\ln\left(e^{3x}-5x\right)^{\frac{1}{x}}\right)$

$\frac{\cos\:\left(-4y+3x\right)+\cos\:\left(x-2y\right)}{2}$