February 28, 2017

Homework Help: PreCalculus (PLEASE HELP, IM BEGGING!)

Posted by Valerie on Saturday, May 5, 2012 at 2:09am.

Can anyone please explain these problems to me?? I really need help!I need to simplify these trig expressions but I don't understand how my teacher is doing it at all and I have a quiz on this tomorrow! I've really been trying but I just don't get it!


2)Rewrite over common denominator:

3)Establish the identity:

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