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Mathematics 16 Online
OpenStudy (anonymous):

Precalc: Two forces with magnitudes of 200 and 100 pounds act on an object at angles of 60° and 170° respectively. Find the direction and magnitude of the resultant force. Round to two decimal places in all intermediate steps and in your final answer.

OpenStudy (anonymous):

law of cosines from here |dw:1389458701678:dw|

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