
Concept explainers
The solution of the equation

Answer to Problem 26CT
Solution:
The solutions of the equation
Explanation of Solution
Given information:
The equation is
Explanation:
Consider the equation
By using
Adding
By using zero product property,
The solutions of
Let
The cosine function is negative in
The solutions of
This implies that
That is
Therefore, the solution of the equation
Chapter 7 Solutions
Precalculus
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