To verify: that the given equation is an identity.
Answer to Problem 35E
See explanation
Explanation of Solution
Given information:
Calculation:
Simplify the left side by applying sum identity for cosine and right side of equation by using difference identity for sine as shown below.
Since the both the sides of the equation is same. So, the equation is an identity.
Chapter 7 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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