Concept explainers
Tofind:The exact value of trigonometric ratios
Answer to Problem 40E
Therequired values of trigonometric ratios are
Explanation of Solution
Given information:
The angle
Formulaused:
Calculations:
We have
Now, substituting
Now,
Since angle
Thus,
We have
Now, substituting
Thus,
We have
Now, substituting
Suppose
Now, we solve quadratic equation (4) with formula
Since angle
Conclusion:
Thevalues of trigonometric ratios are
Chapter 5 Solutions
EBK PRECALCULUS W/LIMITS
- 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