$\int csc^3\left(t\right)dt$
$3\cdot3\cdot3\cdot3\cdot3\cdot3\cdot3$
$x-\frac{x}{2}=2x-6$
$5\sec^2-5\tan^2$
$502ab\:-\:405ab$
$\int\cot\left(\frac{3}{x}\right)dx$
$121^2-132c+3$
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