$\frac{1+\cot\left(x\right)}{2\cot\left(x\right)}=\frac{1}{2\cos^2\left(x\right)}$
$-\frac{48}{-6}$
$\frac{9x^4p^7b^3}{9x^2p^5b^2}$
$\left(\cos\left(120\right)\right)^2$
$\left(\frac{8w^5x^{6\:}y^3z^{-2}}{3x^{-5}y^7z^5}\right)^{-2}$
$4-4x^2$
$sin^2\left(x\right)cot\left(x\right)tan\left(x\right)sec^2\left(x\right)$
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