To find: thecosine function that models the movement of the twig in relationship to the equilibrium point.
Answer to Problem 47E
The cosine function is
Explanation of Solution
Given information:
The distance between highest and lowest points is
Calculation: to find the cosine function, the standard function of the cosine is,
Here the amplitude is
The period is
Thus, the cosine function is
Chapter 9 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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Calculus: Early Transcendentals (2nd Edition)
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