To rewrite the given expression in terms of first powers of the cosines of multiple angles and verify both the expressions by graphing utility.
Answer to Problem 38E
Explanation of Solution
Given:
Concept used:
Power reducing formula:
Calculation:
Consider the expression and simplify as shown:
Verify both the expressions using graphical utility:
Draw the graph for the expression
Figure (1)
Draw the graph for the expression
Figure (2)
As both the expressions shows same values in Figure (1) and Figure (2) at each point.
Chapter 5 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
- 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