
Concept explainers
To verify:

Explanation of Solution
Given:The length
Calculation:
The length of shadow cast by a vertical gnomon,
Hence verified
To complete:

Answer to Problem 66E
Explanation of Solution
Given:The length
Calculation:
The length of shadow cast by a vertical gnomon,
For
Using graph to complete the table.
To find:The angle of the sun that result in the maximum and minimum length of the shadow.

Answer to Problem 66E
Maximum at
Minimum at
Explanation of Solution
Given:The given table,
Calculation:
The length of shadow cast by a vertical gnomon,
From table,
The maximum value of
The minimum value of
To find:The time when the angle of the sun above the horizon is

Answer to Problem 66E
Explanation of Solution
Given:The given table,
Calculation:
The length of shadow cast by a vertical gnomon,
From table,
The maximum value of
The minimum value of
The length of shadow is 0 just above
The time will be
Chapter 5 Solutions
Precalculus with Limits
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