$3\tan^2x\left(2-2\sin^2x\right)$
$3\left(x+4\right)=-18$
$-4\tan x-2=6$
$\csc^2\left(\frac{\pi\:}{11}\right)-\cot^2\left(\frac{\pi\:}{11}\right)$
$\left(-5^2\right)\cdot5^{-3}\cdot\left(-5^5\right)\cdot5^{-4}$
$\frac{dy}{dx}=12x^2$
$53w+13<56w+16$
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