Law of Cosines Calculator
Solve triangles using the Law of Cosines: c² = a² + b² - 2ab·cos(C)
Law of Cosines Formula
c² = a² + b² - 2ab·cos(C)
Use this when you know: SAS (two sides + included angle) or SSS (all three sides, to find angles)
Solve triangles using the Law of Cosines: c² = a² + b² - 2ab·cos(C)
c² = a² + b² - 2ab·cos(C)
Use this when you know: SAS (two sides + included angle) or SSS (all three sides, to find angles)