Hello all. I am having trouble with a trig identity, and was wondering if you could help. This is a problem from a take home quiz, and unfortunately I can't find anything in my text about how to deal with the .

Here is the identity.

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- May 3rd 2010, 11:43 PMDeimosTrig Identity
Hello all. I am having trouble with a trig identity, and was wondering if you could help. This is a problem from a take home quiz, and unfortunately I can't find anything in my text about how to deal with the .

Here is the identity.

- May 3rd 2010, 11:58 PMharish21
- May 4th 2010, 12:03 AMDeimos
Thank you very much!