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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Prove 1 - cos2Ø + sin2Ø / 1 + cos2Ø + sin2Ø = tanØ

 

1 cos 28+ sin 20
1+ cos 28+ sin 20
tan @
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Transcribed Image Text:1 cos 28+ sin 20 1+ cos 28+ sin 20 tan @
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