Homework Help: Pre-Calc

Posted by Lizette on Thursday, April 28, 2011 at 9:11pm.

Use the fundamental identities and appropriate algebraic operations to simplify the expression.

cosx / (1+sinx)

Answer: secx

Can someone please assist as to how I get to the answer?

Pre-Calc - Reiny, Thursday, April 28, 2011 at 10:13pm
You must have a typo

cosx/(1+sinx) is NOT equal to secx

try it with any angle.

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