$2secx=tan^2x-6$
$\int arctan\left(5w\right)dw$
$9ab\:-\:\left(-\:8ab\right)\:$
$\int\frac{16\sqrt{x^2-1}}{x}dx$
$\left(-\frac{1}{2}mn^{2}\right)^{3}\left(mn\right)^{5}$
$\cosh\left(2x\right)=2\sinh^2\left(x+1\right)$
$2x^3-2x^2-2x-2$
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