Posted by **Cyndy** on Friday, August 3, 2012 at 3:42pm.

Write cos(-83degrees) as a function of a positive angle

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**MathMate**, Friday, August 3, 2012 at 3:45pm
Marie, Cindy, and Cynthia.

These are all very nice names, but you need to use only one of them.

If you feel hesitant to post many questions of the same nature (using the same name) before getting replies, you're on the right track: try some of the problems first!

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