$\left(2-2\sin\left(x\right)\right)\left(1+\sin\left(x\right)\right)$
$12x^2-4<27x-23$
$\frac{dv}{dt}-0.96v=800$
$3x+7<14$
$\tan2x\cos x+\cos2x=1$
$\int\frac{\cosh\left(t\right)}{\sinh\left(t\right)^2+\sinh\left(t\right)^4}dx$
$y'+y\:\tan\left(x\right)=0$
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