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Law of Cosines

Revision as of 20:36, 21 June 2006 by Mathgeek2006 (talk | contribs)
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The Law of Cosines is a formula used in finding lengths and angles of a triangle. For sides a, b, and c with opposite angles A, B, and C respectively: $c^2 = a^2 + b^2 - 2abcosC$

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