hi, new to this site.(adsbygoogle = window.adsbygoogle || []).push({});

i was given this question on a recent test and not quite sure if i got it right.

it was:

prove the derivatives of sec^2x is 2sec^3x*sinx.

i wasn't really sure of the answer. so if anyone could help out, it would be much appreciated.

thanx :)

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# Homework Help: Derivatives proof

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