Concept explainers
The sinusoidal function for the following graph.
Answer to Problem 13CR
Solution:
The equation of the graph is
Explanation of Solution
Given information:
The graph of the sinusoidal function:
Given graph is sinusoidal with amplitude
The graph has characteristic of a cosine function, since the maximum value
So, the equation can be viewed as a cosine function
The cycle starts at the point
Thus, the period of cycle is
Therefore, period
There is no phase shift and vertical translation.
Thus,
Thus, the equation of the graph is
Chapter 6 Solutions
Precalculus Enhanced with Graphing Utilities
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