3) An airplane is sighted at the same time by two ground observers who are 5 miles apart 3 and both directly west of the airplane. They report the angles of elevation as 14° and 21°- How high is the airplane?

3) An airplane is sighted at the same time by two ground observers who are 5 miles apart 3 and both directly west of the airplane. They report the angles of elevation as 14° and 21°- How high is the airplane?

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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Question

3) An airplane is sighted at the same time by two ground observers who are 5 miles apart 3
and both directly west of the airplane. They report the angles of elevation as 14° and 21°-
How high is the airplane?

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