law of cosines
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English[edit]
Noun[edit]
- (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.
Usage notes[edit]
Let a, b, and c be the lengths of the sides of a triangle opposite angles A, B, and C. The law of cosines states
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Synonyms[edit]
Translations[edit]
statement
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