Concept explainers
Determining a Distance If both cars in Exercise 62 are on one side of the plane and if the angle of depression to one car is 38° and that to the other car is 52°, how far apart are the cars?
To find: The distance between the two cars if the two cars are on the same plane.
Answer to Problem 57E
The distance between the two cars if the two cars are on the same plane is
Explanation of Solution
Given:
The elevation of an airplane flying straightaway is 5150 ft. Two motorists are driving cars on the same sides on the highway with angle of depression
Formula used:
The formula to calculate
Calculation:
Assume the distance between two cars is
Figure (1)
Figure (1) shows the angle of depression are
As
From triangle
From triangle
But
Substitute
Hence, the distance between the two cars if the two cars are on the same plane is
Chapter 6 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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