$3\sec^2x-3\tan^2x$
$\lim_{x\to0}\left(\frac{e^x-e^{-ex}}{\sin\left(x\right)}\right)$
$\frac{dy}{dx}=8\cdot\left(1+y^2\right)\cdot x$
$\int\:\left(x^3+5\right)^2dx$
$\log3\left(x^2+2\right)=3$
$\frac{p}{4}+\frac{9}{4}=\frac{p+9}{4}$
$a^2-14a+33$
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