Encyclopedia

Sines, Law of

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Sines, Law of

 

a trigonometric theorem that establishes the relation between the sides a, b, and c of an arbitrary triangle and the sines of the angles A, B, and C opposite these sides. The law of sines states that

where R is the radius of the circumscribed circle.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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