An airplane flies at an altitude of y = 5 miles toward a point directly over an observer (see figure). The speed of the plane is 700 miles per hour. Find the rates (in radians per hour) at which the angle of elevation ? is changing when the angle is ? = 45°, ? = 60°, and ? = 70°.
An airplane flies at an altitude of y = 5 miles toward a point directly over an observer (see figure). The speed of the plane is 700 miles per hour. Find the rates (in radians per hour) at which the angle of elevation ? is changing when the angle is ? = 45°, ? = 60°, and ? = 70°.
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter1: Trigonometry
Section1.1: Radian And Degree Measure
Problem 7ECP: The circular blade on a saw has a radius of 4 inches and it rotates at 2400 revolutions per minute....
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An airplane flies at an altitude of y = 5 miles toward a point directly over an observer (see figure). The speed of the plane is 700 miles per hour. Find the rates (in radians per hour) at which the angle of elevation ? is changing when the angle is
? = 45°,
? = 60°,
and
? = 70°.
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