For the following exercises, prove the following sum-to-product formulas. sin x − sin y = 2 sin (x − y/2) cos ( x + y/2)

Chapter 7, 7.4 Exercises #54

For the following exercises, prove the following sum-to-product formulas.

sin x − sin y = 2 sin (x − y/2) cos ( x + y/2)

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Related Book For answer-question

Precalculus

1st Edition

Authors: Jay Abramson

ISBN: 9781938168345