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Mathematics 22 Online
OpenStudy (kaywee):

Two planes, A and B, start from the same place and move in different directions, making an angle of 50º between them. The speed of plane A is 200 miles per hour, and the speed of plane B is 300 miles per hour. The two planes are miles apart after one hour.

OpenStudy (evoker):

Cosine law would be easiest way to solve.

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