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Inversing a lot!

Geometry Level 2

$\large \cot(\cos^{-1}(\sin(\tan^{-1}(\cos(\sin^{-1}(x)))))) = \ ?$

Image Credit: Flickr Samantha Stock.

x^2+2

\sqrt{1-x^2}

\sqrt{x^2-1}

\sqrt{2-x^2}

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by Danish Ahmed

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