Calculateur de Loi des Cosinus
Résoudre les Triangles SAS et SSS
Valeurs du Triangle
Cas d'Utilisation
- • SSS: Les trois côtés connus
- • SAS: Deux côtés et angle inclus
Formules de Loi des Cosinus
c² = a² + b² - 2ab×cos(C)
b² = a² + c² - 2ac×cos(B)
a² = b² + c² - 2bc×cos(A)
Note
La Loi des Cosinus fonctionne mieux pour les cas SSS et SAS. Pour d'autres cas, utilisez la Loi des Sinus.
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