$\int4\pi\:r^2\:dr$
$4cos^2x+3cosx=0$
$ex^{-x}$
$\tan x\left(3\cot x-\sqrt{3}\right)=0$
$1=3$
$\frac{60}{\frac{1}{1}}$
$\sec\left(q\right)\cdot\sin\left(q\right)=\tan\left(q\right)$
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