
Concept explainers
To find: whether the given equation could be an identity by using the graphing calculator.

Answer to Problem 36E
Not an identity
Explanation of Solution
Given information:
Calculation:
Let the left hand side and right hand side equations be two separate functions as shown below.
Graph these functions on the same screen by using the graphing calculator.
Since the two graphs do not match, so the equation is not an identity.
Chapter 7 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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