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May 29, 2015

Homework Help: Calculus

Posted by gnozahs on Wednesday, June 10, 2009 at 11:42pm.

find the derivative of f(x)=tanx-4/secx

I used the quotient rule and got (sec^2x-4)(secx)-(tanx-4)(cosx)/sec^2x but I'm pretty sure that's wrong. Help. Thanks.

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