Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN: 9780134217437
Author: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher: PEARSON
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Here is the problem: Show that CoS210 = cos 70 - 3cos7@sin?7e %3D and use this identity to find an equation in rectangular coordinates for the curve = 2cos210 I am not sure how to do this problem? Does anyone know? Also the answer has to equal (x +y^)*
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Transcribed Image Text:Here is the problem: Show that CoS210 = cos 70 - 3cos7@sin?7e %3D and use this identity to find an equation in rectangular coordinates for the curve = 2cos210 I am not sure how to do this problem? Does anyone know? Also the answer has to equal (x +y^)*
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