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Concept explainers
To find:the exact solution of the given equation by using a half-angle formula. Then use a difference formula, show that the answers are same in both the cases.
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Answer to Problem 135RE
Explanation of Solution
Given:
The given equation is
Calculation:
As the given equationis
By half angle formula:
The equation can be simplified as:
By difference formula:
The equation can be simplified as:
Hence, the solution of
Chapter 7 Solutions
Precalculus
Additional Math Textbook Solutions
Glencoe Math Accelerated, Student Edition
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Calculus & Its Applications (14th Edition)
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