an aeroplane when 3000m high passes vertically above another aeroplane at an instance when their angles of elevation at the same observation point are 60°and45° .How many meters higher is the one than the other
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an aeroplane when 3000m high passes vertically above another aeroplane at an instance when their angles of elevation at the same observation point are 60°and45° .How many meters higher is the one than the other
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