My notes say the deriv. of inverse Cotangent is -1/(1+x(adsbygoogle = window.adsbygoogle || []).push({}); ^{2})

But when I plot the derivative of this function: 1/Tan^{-1}x

against -1/(1+x^{2}), I get two different graphs.

Is Cot^{-1}x not the same thing as 1/Tan^{-1}x ?

~Jules~

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# Deriv. of inverse Cotangent is

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