Concept explainers
To find: The value of
Answer to Problem 8T
The value of
Explanation of Solution
Given:
The value of
Formula used:
(1) The trigonometric functions of the angle
(2) Reciprocal identities
Construction:
Draw a right angled triangle with opposite side as
Figure 1
Calculation:
The given trigonometric functions are
All three sides are given opposite as
By reciprocal identities
To find the value of
The cosine function is
Substitute
For the value of
Thus the value of
Chapter 6 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