The angle of elevation from an observation tower to a plane is 15 degrees.  The plane is 3 miles high. How far away from the tower is the city directly  below the plane. Draw a picture and solve the problem.

Trigonometry (MindTap Course List)
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Chapter1: Trigonometry
Section1.3: Right Triangle Trigonometry
Problem 8ECP: The angle of elevation to the top of a flagpole at a distance of 19 feet from its base is 64.6. How...
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The angle of elevation from an observation tower to a plane is 15 degrees.
 The plane is 3 miles high. How far away from the tower is the city directly
 below the plane. Draw a picture and solve the problem.

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