Saturday
September 20, 2014

Homework Help: Trig

Posted by Tara on Monday, January 4, 2010 at 8:58pm.

Use the fundamental identities to simplify the expression:

cot beta sec beta

I used 1+tan^2u=secu since cot is the inverse of tan. I flipped the tangent, then so it was 1+ (1/tan). But the book's answer is the cosecant of beta. Where did this come from??

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