law of cosines
Noun
Meaning
law of cosines (uncountable)
(trigonometry) A generalization of the Pythagorean theorem that relates the lengths of the sides of a triangle to the cosine of one of its angles.
Noun
law of cosines (uncountable)
(trigonometry) A generalization of the Pythagorean theorem that relates the lengths of the sides of a triangle to the cosine of one of its angles.