Concept explainers
To find: The angle of elevation to the sun at that time.
Answer to Problem 34E
Explanation of Solution
Given information: Landmarks: The San Jacinto Column in Texas is 570 feet tall and at a particular time, casts a shadow 700 feet long.
Calculation:
Use law of cosines to solve for the hypotenuse of the triangle.
Simplify and solve for the hypotenuse of the triangle.
Use law of cosines with the angle isolated to solve for the angle of elevation to the sun.
Simplify and solve for the angle of elevation.
Thus,
Chapter 5 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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