a.
Label the known quantities of the triangle and use a variable to represent the height of the tower.
a.
Answer to Problem 64E
Explanation of Solution
Given information:
A six-foot person walks from the base of a broadcasting tower directly toward the tip of the shadow cast by the tower. When the person is
Draw a right triangle that gives a visual representation of the problem. Label the known quantities of the triangle and use a variable to represent the height of the tower.
Calculation:
The graphical represntation of the situation where
Hence, the triangle is shown above.
b.
Write an equation involving the unknown quantity.
b.
Answer to Problem 64E
Explanation of Solution
Given information:
A six-foot person walks from the base of a broadcasting tower directly toward the tip of the shadow cast by the tower. When the person is
Use a trigonometric function to write an equation involving the unknown quantity.
Calculation:
Assume
Hence, the equation is
c.
What is the height of the tower?
c.
Answer to Problem 64E
Explanation of Solution
Given information:
A six-foot person walks from the base of a broadcasting tower directly toward the tip of the shadow cast by the tower. When the person is
What is the height of the tower?
Calculation:
In triangle
In triangle
Hence, the height of the tower is
Chapter 4 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