(a)
Toshow:For any triangle
(a)
Explanation of Solution
The law of cosine is given by
The area of triangle is given by,
Now, consider the expression.
From the above two expression.
Hence, proved.
(b)
To show:For any triangle
(b)
Explanation of Solution
The law of cosine is given by
The area of triangle is given by,
Now, consider the expression.
From the above two expression.
Hence, proved.
Chapter 6 Solutions
Precalculus with Limits: A Graphing Approach
- 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