Angle of Depression A cellular telephone towerthat is 120 feet tall is placed on top of a mountain that is1200 feet above sea level. What is the angle of depressionfrom the top of the tower to a cell phone user who is5 horizontal miles away and 400 feet above sea level?

Angle of Depression A cellular telephone towerthat is 120 feet tall is placed on top of a mountain that is1200 feet above sea level. What is the angle of depressionfrom the top of the tower to a cell phone user who is5 horizontal miles away and 400 feet above sea level?

Trigonometry (MindTap Course List)

10th Edition

ISBN:9781337278461

Author:Ron Larson

Publisher:Ron Larson

Chapter1: Trigonometry

Section1.8: Applications And Models

Problem 26E: Angle of Depression A cellular telephone tower that is 120 feet tall is placed on top of a mountain...

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Concept explainers

Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.

Question

Angle of Depression A cellular telephone tower
that is 120 feet tall is placed on top of a mountain that is
1200 feet above sea level. What is the angle of depression
from the top of the tower to a cell phone user who is
5 horizontal miles away and 400 feet above sea level?

Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.

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