
Concept explainers
a.
To graph: The given function in the given interval and approximate maximum and minimum points (to four decimal places) of the graph.
a.

Answer to Problem 92E
The approximate maximum and minimum points are:
Explanation of Solution
Given information:
The following function:
The following interval:
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:
Using
Maxima:
Minima:
b.
To solve: The given trigonometric equation using calculus and verify that the x-coordinates of the maximum and minimum points of
b.

Answer to Problem 92E
The solution of the trigonometric equation is:
Explanation of Solution
Given information:
The following equation:
Calculation:
The given equation is solved as:
On substituting the x-coordinates of the maximum and minimum points of
Since every answer corresponds to
Chapter 5 Solutions
Precalculus with Limits: A Graphing Approach
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