
To find: The correct choice for the period of the given function.

Answer to Problem 54E
The correct choice is (E) such that the period of function is
Explanation of Solution
Given information: The given function is
Calculation:
The general equation of cosine function is:
Here, the period is
Compare the given equation with the general form of equation to get,
Therefore, the correct choice is (E) such that the period of function is
Chapter 1 Solutions
Calculus 2012 Student Edition (by Finney/Demana/Waits/Kennedy)
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