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Mathematics, 20.07.2021 14:00 trevorhenyan51
An aircraft (at Z) is spotted by two observers (at X and Y) who are L = 1950 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 = 45°,
and B = 40°, how high is the airplane?
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An aircraft (at Z) is spotted by two observers (at X and Y) who are L = 1950 feet
apart. As the air...
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