The Law of Cosines, Example 1. In this video, I give the formula for the Law of Cosines and use it to find the missing side length of a triangle. Thank you, patrickJMT, for this example, very interesting stuff!
Law of Cosines, Example 1 is a free educational video by PatrickJMT.It helps students in grades HS practice the following standards HSG.SRT.D.10.
1. HSG.SRT.D.10 : Prove the Laws of Sines and Cosines and use them to solve problems.
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