February 23, 2017

Homework Help: Trig

Posted by Mel on Tuesday, May 31, 2011 at 9:20pm.

How do I prove the following Identity?

sec x(sec x-cos x)=tan^2x

If there is a certain website or suggestion to help with these type of equations I would greatly appreciate it. I've been studying these for a while but still get pretty confused.

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