Altitude angles
Cities A, B, and C lie in one elevation plane. C is 50 km east of B, and B is north of A. C is deviated by 50° from A. The plane flies around places A, B, and C at the same altitude. When the aircraft is flying around B, its altitude angle to A is 12°. Find the altitude angle to A as the aircraft flies around city C.
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planimetricsgoniometry and trigonometryUnits of physical quantitiesGrade of the word problem
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