er on a headland sees a ship due north of him; after an hour he sees it due east and after another half-hour heuth-east; find the angle that the ship's course makesan and the time after the ship is first seen until it issupposing that it sails uniformly in a straightpearesag An observerwith the meridiannearest the observer,line.t the observer,g along a straight road, which runs in a direction as

er on a headland sees a ship due north of him; after an hour he sees i

1.	er on a headland sees a ship due north of him; after an hour he sees it due east and after another half-hour heuth-east; find the angle that the ship's course makesan and the time after the ship is first seen until it issupposing that it sails uniformly in a straightpearesag An observerwith the meridiannearest the observer,line.t the observer,g along a straight road, which runs in a direction as
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