i need help with these problems i really dont understand how to do them 1. [2sin (x)]/[1-cos^2(x)] i really appreciate your help
Last edited by dannyp32; August 6th 2009 at 07:39 PM.
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Originally Posted by dannyp32 i need help with these problems i really dont understand how to do them 1. [2sin (x)]/[1-cos^2(x)] i really appreciate your help is a well known identity (one that must be memorized) So subtract from both sides to get so....
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