Law of cosines

For a triangle with side lengths

a, b, c

C

opposite

c

, the law of cosines states

c^{2} = a^{2} + b^{2} - 2 ab cos C .

 Ancestors (6)

 Incoming links (19)

 View article source

 Discussion (0)

There are no discussions about this article yet.

 Articles by others on the same topic (1)

Law of cosines by

Wikipedia Bot  1

The Law of Cosines is a fundamental relationship in geometry that relates the lengths of the sides of a triangle to the cosine of one of its angles. It is particularly useful for solving triangles that are not right-angled.

 Read the full article

  See all articles in the same topic Create my own version