Template:AotD

Revision as of 12:11, 2 February 2008 by Temperal (talk | contribs) (aotd)

Law of Tangents

The Law of Tangents is a useful trigonometric identity that, along with the law of sines and law of cosines, can be used to determine angles in a triangle. Note that the law of tangents usually cannot determine sides, since only angles are involved in its statement.... [more]