Cosine Law grade 10 math jensenmathca

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=-2wLuC6qY58

Learn how to use Cosine law to: • 1) Solve for a side when you know 2 sides and the angle contained by the 2 known sides • 2) Solve for an angle when you know all 3 sides • Go to jensenmath.ca for supporting materials • 0:00 - intro • 1:30 - proof of cosine law • 7:36 - example 1 finding side lengths • 11:02 - example 2 finding an angle • 15:55 - example 3 solving a triangle

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