Precalculus (6th Edition) Blitzer

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

Chapter 4 - Section 4.6 - Graphs of Other Trigonometric Functions - Exercise Set - Page 611: 72


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Work Step by Step

Step 1. Based on the given brain waves, we can identify that a sinusoidal function (sine or cosine) would be most appropriate for describing the oscillations in brain activity. Step 2. We can find similarities such as their periods, and differences, such as their amplitudes, among these functions when awake, during dreaming sleep, and during non-dreaming sleep.
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