$\tan\left(\frac{\pi}{4}+\frac{e}{2}\right)$
$33x^2-x-2=0$
$\sec\left(x\right)=7$
$3x+2\ge x-5$
$\lim_{x\to2}\left(\frac{\pi\cdot x}{3-6x}\right)$
$\int\frac{1}{3}x^3dx$
$\lim_{x\to1}\left(\frac{\ln\left(x\right)-1+x}{\arccot\left(x\right)-\frac{\pi}{4}}\right)$
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