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October 26, 2014

Homework Help: MATH 112

Posted by diego sanchez on Tuesday, November 20, 2012 at 9:39pm.

two planes leave an airport at the same time. Their speeds are 320 miles per hour and 380 miles per hour. If the angle between their courses is 112 degrees, how far apart are they after two hours? (The hint is using the law of cosines)

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