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Proof: Derivative of Arctangent

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Uploaded by on Jun 29, 2010

Prerequisites: Know your trigonometry! Derivatives.

I describe a simple way to derive the derivative of arctan(x) or any other trigonometric arc-function. Kinda nifty if you've forgotten and have no way to look it up.

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Science & Technology

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Standard YouTube License

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  • Thanks! I needed to learn the proof of the "Arc's" and this helped a lot

  • Very helpful thanks! i was trying to do a proof for integrating 1/ (x^2+a^2) and didn't know how to start, but i got it.

  • that was really helpful, thank you very much!

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