(a)
To sketch: The function
(a)
Answer to Problem 107E
Use online graphing calculator to sketch the graph of the function
Explanation of Solution
Given:
Consider the function
Calculation:
Use online graphing calculator to sketch the graph of the function
From Figure 1, it can be observed that the graph of the function
(b)
To verify: The equation
(b)
Explanation of Solution
Formula used:
Sum-To-Product formulae:
Sum-To-Product formulae:
Proof:
Substitute
Further simplify,
Hence, the equation
(c)
To sketch: The
(c)
Answer to Problem 107E
Use online graphing calculator to sketch the graph of the functions
The loudness of the sound varies between
Explanation of Solution
Calculation:
Use online graphing calculator to sketch the graph of the functions
From Figure 2, it is observed that the loudness of the sound varies between
Chapter 7 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
- 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