Calculus

The CN Tower is 553 m tall. A person is south of the tower, in a boat on Lake Ontario at a position that makes an angle of elevation of 100 degrees to the top of the tower. A second person is sitting on a park bench, on a bearing of 060 degrees relative to the tower, observing the top of the tower at an angle of elevation of 9 degrees. Determine the displacement between the two people.

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