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Concept explainers
True or False In establishing an identity, it is often easiest to just multiply both sides by a well-chosen nonzero expression involving the variable.
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To find: Check whether the given statement is true or false: In establishing an identity, it is often easiest to just multiply both by a well-chosen non-zero expression involving the variable.
Answer to Problem 7AYU
Solution:
True. In establishing an identity, it is often easiest to just multiply both by a well-chosen non-zero expression involving the variable.
Explanation of Solution
Given:
In establishing an identity, it is often easiest to just multiply both by a well-chosen non-zero expression involving the variable.
Calculation:
Trigonometric identity .
By quotient Identity
Multiply by .
Pythagorean identity
Chapter 7 Solutions
Precalculus Enhanced with Graphing Utilities
Additional Math Textbook Solutions
Single Variable Calculus: Early Transcendentals (2nd Edition) - Standalone book
Glencoe Math Accelerated, Student Edition
Precalculus
Calculus: Early Transcendentals (3rd 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
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