Question: A ship is sailing due north. At a certain point, the bearing of a lighthouse 2.1 km away is N39.6E. Later on, the captain notices

A ship is sailing due north. At a certain point, the bearing of a lighthouse 2.1 km away is N39.6E. Later on, the captain notices that the bearing of the lighthouse has become S32.6E. How far did the ship travel between the two observations of the lighthouse

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