Concept explainers
(a)
To Prove: The expression for
(a)
Explanation of Solution
Given:
The length of the shadow is
Calculation:
Consider the given equation for the model is,
Then, by the
Hence, proved.
(b)
To Find: The graphing utility to create a table of the length
(b)
Answer to Problem 62E
The required table is shown in Table 1
Explanation of Solution
Given:
The height is
Calculation:
Consider the given equation for the model is,
Then, the table for the value of length for different values of the angle is shown below.
Table 1
18.66 | |
8.7 | |
5 | |
2.89 | |
1.34 | |
0 |
(c)
To Find: The angle of the sum that results that results in the minimum length of the shadow.
(c)
Answer to Problem 62E
The minimum shadow is obtained at the angle of
Explanation of Solution
Consider the table shown in Table 1.
The table 1 shows that the minimum shadow is obtained at the angle of
Thus,
(d)
To Find: The time of the day at which you think the angle of the sum is above the horizon is 90 degrees.
(d)
Answer to Problem 62E
The time of the day is noon.
Explanation of Solution
Consider the table shown in Table 1.
The table 1 shows that the maximum shadow is at the angle of
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