Precalculus (6th Edition) Blitzer

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

Chapter 4 - Section 4.5 - Graphs of Sine and Cosine Functions - Exercise Set - Page 596: 72

Answer

Please see below.
1583299981

Work Step by Step

$f(x)=2\cos x$: the red graph $g(x)=\cos 2x$: the blue graph $h(x)=(f+g)(x)$: the green graph
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