An aircraft (at Z) is spotted by two observers (at X and Y) who are L=2000 feet apart. As the airplane passes over the line joining them, each observer takes a sighting of the angle of elevation to the plane, as indicated in the figure. If A=30°, and B=50°, how high is the airplane?
An aircraft (at Z) is spotted by two observers (at X and Y) who are L=2000 feet apart. As the airplane passes over the line joining them, each observer takes a sighting of the angle of elevation to the plane, as indicated in the figure. If A=30°, and B=50°, 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°.
Related questions
Question
An aircraft (at Z) is spotted by two observers (at X and Y) who are
L=2000 feet
apart. As the airplane passes over the line joining them, each observer takes a sighting of the
A=30°,
and
B=50°,
how high is the airplane?
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