
Concept explainers
To calculate: The solutions of the given equation in the given interval.

Answer to Problem 72E
The solutions of the given equation in the interval
Explanation of Solution
Given information:
The following equation:
The following interval:
Formula used:
The following sum formula:
The following difference formula:
The following identities:
Calculation:
The given equation can be solved as:
Graph:
Sketch the graph using graphing utility.
Step 1: Press WINDOW button to access the Window editor.
Step 2: Press
Step 3: Enter the expression
Step 4: Press GRAPH button to graph the function.
The graph is obtained as:
Interpretation:
In the interval
Chapter 5 Solutions
Precalculus with Limits: A Graphing Approach
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