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Mathematics 20 Online
OpenStudy (anonymous):

Use the law of cosines to find the value of cos. Round your answer to two decimal places. http://media.apexlearning.com/Images/200801/09/e7c8b7e2-d9df-47e3-8022-f8caa442a094.gif

OpenStudy (anonymous):

A. 1.23 B. 0.35 C. 0.84 D. 0.23

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