Law of Cosines or Cosine Law
Related Topics & Worksheets:
Cosine Rule
Sine /Rule
Objective: I know how to use the Law of Cosines or Cosine Law to solve triangles.
The Law of Cosines, for any triangle *ABC* is
a 2 = b 2 + c 2 – 2bc cos A
Refer to the lesson on the [law or cosines or cosine law ](/law-of-cosines.html) for more information and examples.
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