An aeroplane when 750 m high passes vertically above another aeroplane at an instant when their angles of elevation at same observation point are 45° and 30° respectively. Approximately, 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 instant when the angles of elevation of aeroplane at the same observation points are 60° and 45°.how much high is the one plane than the other?
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