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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Fundamentals of Trigonometric Identities
Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.
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Question
18. Prove the identity for A. B. Verify the identity.
sin(5x)+ sin(3x) tan(4x)= cos(3x)+cos(5x)
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Transcribed Image Text:sin(5x)+ sin(3x) tan(4x)= cos(3x)+cos(5x)
A. cof sec B sec B csc B-csc B
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Transcribed Image Text:A. cof sec B sec B csc B-csc B
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The proof is given below in handwritten format

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