Robinson Crusoe Follow-Up Problem: Let 1 and 2 be the angles between the two paths and a
Chapter 10, Problem 12(choose chapter or problem)
Robinson Crusoe Follow-Up Problem: Let 1 and 2 be the angles between the two paths and a line perpendicular to the beach (Figure 10-4m) in the Robinson Crusoe Problem. Use the answer to the problem to calculate the measures of these angles. Then show that the ratio of the sines of the angles equals the ratio of the two speeds. That is, show Figure 10-4m
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