$\lim_{x\to0}\left(\frac{sin\left(3x\right)tg\left(2x\right)}{x^2}\right)$
$\sin2x\left(\csc2x-2\right)$
$\sqrt[3]{m^2}$
$a^6-12ab+36^2$
$\sec\:^2\left(\theta\:\right)\csc\:^2\left(\theta\:\right)=\sec\:^2\left(\theta\:\right)+\csc\:^2\left(\theta\:\right)$
$3x^2+5x^2-x^2$
$\frac{7\sec\left(x\right)}{\csc\left(x\right)}$
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