Concept explainers
To simplify: The each expression to a trigonometric function of a single angle. And hence give the exact value of the function.
Answer to Problem 12OE
The simplified form of expression is
Explanation of Solution
Given:
The given expression is as:
The trigonometric additional formula for
Using the above formula to solve the above expression is given as:
Therefore the simplified form of expression is
Chapter 13 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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