An airplane is flying at a constant altitude of 3 miles and a constant speed of 500 miles per hour on a straight course that will take it directly over an elephant on the ground. How fast is the angle of elevation of the elephant’s line of sight increasing when the distance from elephant to the plane is 5 miles? Give your answer in radians per minute.

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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An airplane is flying at a constant altitude of 3 miles and a constant speed of 500 miles per hour on a straight course that will
take it directly over an elephant on the ground. How fast is the angle of elevation of the elephant’s line of sight increasing when
the distance from elephant to the plane is 5 miles? Give your answer in radians per minute.

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