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December 20, 2014

December 20, 2014

Posted by **claire** on Saturday, December 8, 2012 at 1:11pm.

- math -
**Steve**, Saturday, December 8, 2012 at 4:51pmthe angle between their courses is 32°

using the law of cosines, the distance between the ships is thus

d^2 = (10*3/4)^2 + (8*3/4)^2 - 2*(10*3/4)(8*3/4) cos 32°

d^2 = 15.93

d = 4.0 km

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