Concept explainers
a.
To find: Whether to use sine function or cosine function for modeling of given sinusoid.
a.
Answer to Problem 27E
Cosine function.
Explanation of Solution
Given information:
The
Calculation:
Given for a sinusoid, the
In this case cosine function should be used because for a cosine function at
b.
To find: Whether to use sine function or cosine function for modeling of given sinusoid.
b.
Answer to Problem 27E
Cosine function with reflection across
Explanation of Solution
Given information:
The
Calculation:
Given for a sinusoid, the
In this case cosine function with reflection across
c.
To find: Whether to use sine function or cosine function for modeling of given sinusoid.
c.
Answer to Problem 27E
Sine function.
Explanation of Solution
Given information:
The
Calculation:
Given for a sinusoid, the
In this case since function should be used because for a since function, at
Chapter 9 Solutions
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