How to use the law of sines to find the missing parts of a triangle

The video tutorial explains how to solve a triangle problem using the Law of Sines. It begins by introducing the Law of Sines and its formula. The instructor then demonstrates how to find the length of side B by cross-multiplying and using given angle measures. Next, the video covers calculating angle A using the triangle angle sum property. Finally, the tutorial shows how to find the length of side A and verifies the results to ensure they are reasonable.

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