To find: whether the given equation could be an identity by using the graphing calculator.
Answer to Problem 38E
Could be 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 match perfectly in every window, so the equation could be an identity.
Chapter 7 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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