$\left(m^2n^7+\frac{9}{2}m^3n^8\right)^2$

$\lim_{x\to1}\left(\frac{\cot\left(\frac{\pi}{2}\right)\left(x\right)}{1-x}\right)$

$\int\frac{e^y}{y^2}ydy$

$17-\left(+6\right)\left(7\right)$

$\csc\left(x\right)^2-1\cdot\tan\left(x\right)^2+1$

$12x-3\ge42x+7$

$\sin\left(x\right)\:\:+\:\cos\left(x\right)\:\:=\frac{\sqrt{\:3}}{4\:}$