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April 19, 2014

Homework Help: trigonometry

Posted by v on Tuesday, November 13, 2012 at 11:54pm.

Suppose (x, y) =(4, -5) and θ is an angle in standard position with (x, y) on its terminal side. What is the degree measure of angle θ? im not sure how to do this one problem plz show step by step

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