Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 5 - Section 5.2 - Sum and Difference Formulas - Exercise Set - Page 670: 65

Answer

a. $y= sin(x)$ b. See graph.
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Work Step by Step

a. Using the Subtraction Formula, we have $y=sin(\pi-x)=sin(\pi)cos(x)-cos(\pi)sin(x)=sin(x)$ b. We can graph the new function $y=sin(x)$ and compare with the given graph to see that they are identical.
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