Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 4 - Graphs of the Circular Functions - Section 4.1 Graphs of the Sine and Cosine Functions - 4.1 Exercises - Page 145: 49

Answer

24 hours

Work Step by Step

A periodic function is a function that repeats its values in regular intervals and this regular interval is known as a period. Since the graph repeats itself after every 24 hours, the period of the function is 24 hours.
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