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Uploaded by DoctorDraco 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.
Science & Technology
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Thanks! I needed to learn the proof of the "Arc's" and this helped a lot
reddevil16carrick 8 months ago
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.
juanpablojou 1 year ago
that was really helpful, thank you very much!
deccaftw 1 year ago
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Thanks! I needed to learn the proof of the "Arc's" and this helped a lot
reddevil16carrick 8 months ago
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.
juanpablojou 1 year ago
that was really helpful, thank you very much!
deccaftw 1 year ago