Difference between revisions of "Law of Cosines"

(Links)
(No difference)

Revision as of 10:49, 24 June 2006

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: $c^2 = a^2 + b^2 - 2ab\cos C$

See also