$\sec^2\left(\csc^2-1\right)$
$\int\left(\frac{x-1}{x+1}\right)dx$
$\frac{x+1}{9}-\frac{2x-1}{6}>\frac{3x-2}{4}$
$\left(8\right)\left(-2\right)\left(4\right)\left(-3\right)$
$\sin\left(2\right)=\cos\left(3\right)$
$\left(-1\right)+11+5$
$\left(2m+9\right)\left(5m-3\right)$
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