Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 4 - Graphs of the Circular Functions - Section 4.1 Graphs of the Sine and Cosine Functions - 4.1 Exercises - Page 150: 48b

Answer

$20$

Work Step by Step

The amplitude of the given graph is one-half of the difference between the highest (maximum) and the lowest (minimum) values. The highest value in the graph is 120 while the lowest is 80. Thus, Amplitude = $\frac{1}{2}(120−80)=\frac{1}{2}(40)=20$
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