8. An airplane is flying at an altitude of 30,000 feet. The distance, d, in feet, from an observer on the ground to the plane is a function of the angle of elevation, 0, defined as the acute angle between the ground and the line between the observer and the plane, as shown in the figure. Part A: When the angle of elevation is 65 degrees, what is the distance between the observer and the plane, to the nearest foot? Part B: When the angle of elevation is 65 degrees, what is the horizontal distance between the observer and the plane, to the nearest foot?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section: Chapter Questions
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8.
An airplane is flying at an altitude of 30,000 feet. The distance, d, in feet, from an observer on the ground
to the plane is a function of the angle of elevation, 0, defined as the acute angle between the ground and the
line between the observer and the plane, as shown in the figure.
Part A: When the angle of elevation is 65 degrees, what is the distance between the observer and the plane, to
the nearest foot?
Part B: When the angle of elevation is 65 degrees, what is the horizontal distance between the observer and the
plane, to the nearest foot?
Transcribed Image Text:8. An airplane is flying at an altitude of 30,000 feet. The distance, d, in feet, from an observer on the ground to the plane is a function of the angle of elevation, 0, defined as the acute angle between the ground and the line between the observer and the plane, as shown in the figure. Part A: When the angle of elevation is 65 degrees, what is the distance between the observer and the plane, to the nearest foot? Part B: When the angle of elevation is 65 degrees, what is the horizontal distance between the observer and the plane, to the nearest foot?
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