$\frac{2sinxcosx}{2cos^2x-1}=\tan\left(2x\right)$

$\left(\frac{1}{3}x^2yz+2xy^2z^2\right)^2$

$\left(\sin\left(x\right)+1\right)\left(\sin\left(x\right)-1\right)$

$\frac{dy}{dx}\left(\sqrt{x^4+y^2}=4x+4y^3\right)$

$\int\frac{e^x}{x^{-1}}dx$

$0^{37}$

$\sqrt{1+\tan^2\left(x\right)}$