## Trigonometry (11th Edition) Clone

Published by Pearson

# Chapter 4 - Graphs of the Circular Functions - Section 4.1 Graphs of the Sine and Cosine Functions - 4.1 Exercises - Page 150: 47c

#### Answer

$35000$ years

#### Work Step by Step

According to the graph, each small box on the x-axis is equal to 10,000 years. According to the same graph, one complete oscillation of the function is completed in 3.5 squares. Since the period is the time taken for the function to complete one whole oscillation, the period of the function in this question is: $3.5\times10,000=35000$ years

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