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August 31, 2015

Homework Help: trig

Posted by jonathan on Sunday, February 24, 2008 at 9:16pm.

Two ships, one sailing at 30 km/hr and the other at 45 km/hr, left port at the same time. Three hours later they were 120 km apart. If you had to find the angle between their courses an equation that could be used to solve this problem is:

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