Concept explainers
To simplify: The given trigonometric expression and check the result using a graphing utility.
Answer to Problem 48E
The result is graphically verified as the curve of the given expression coincides at all points with the graph of its result.
Explanation of Solution
Given information:
The given trigonometric expression:
Formula used:
The difference of two squares can be factorized as:
Calculation:
As per problem,
The given trigonometric expression
Write the numerator in factor form using
Graph:
Sketch the graph using graphing utility.
Step 1: Press WINDOW button to access the Window editor.
Step 2: Press
Step 3: Enter the expressions
Step 4: Press GRAPH button to graph the function.
The curve of
The table shows some of the points (indicated in green in the graph) that coincide for both the expressions.
Interpretation: According to the above graph and table, it can be observed that
Therefore, from the graph,
Chapter 5 Solutions
Precalculus with Limits: A Graphing Approach
- Calculus: Early TranscendentalsCalculusISBN:9781285741550Author:James StewartPublisher:Cengage LearningThomas' Calculus (14th Edition)CalculusISBN:9780134438986Author:Joel R. Hass, Christopher E. Heil, Maurice D. WeirPublisher:PEARSONCalculus: Early Transcendentals (3rd Edition)CalculusISBN:9780134763644Author:William L. Briggs, Lyle Cochran, Bernard Gillett, Eric SchulzPublisher:PEARSON
- Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. FreemanCalculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning