$5tanb=10$
$cos2m\:=\:cosm$
$x^4-32x^2+256$
$4p-18=34$
$\sqrt[4]{\frac{100a^{10}}{9b^{6}}}$
$\frac{y^{-2}y^6}{x^{-7}x^6}$
$6s^2+50$
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