Height and DistanceEasy
Question
The angle of elevation of the top of a TV tower from three points A, B, C in a straight line (in the horizontal plane) through the foot of the tower are α, 2α, 3α respectively. If AB = a, the height of the tower is -
Options
A.a tan α
B.a sin α
C.a sin 2α
D.a sin 3α
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