KnowraSpherical law of cosinesLinked fromLinked fromThe 8 pages that link to Spherical law of cosines, each with the reason it gives.All 8Broader topic 1Related 6Compared with 1Spherical geometryRelated: It computes spherical side lengths or angles where planar triangle formulas fail.Law of cosinesBroader topic: It adapts the cosine relation to curved spherical geometry.Spherical trigonometryRelated: It gives a central way to calculate an unknown side or angle from the other measurements.Dihedral angleRelated: Intersecting planes with a sphere turns their dihedral angle into an angle in spherical geometry.Great-circle distanceRelated: Its side-angle form gives the central angle between two surface points.Spherical triangleRelated: It calculates an unknown side or angle from the other measurements.Spherical excessRelated: It calculates spherical triangle geometry without relying on planar triangle formulas.Legendre's theorem on spherical trianglesCompared with: It solves spherical triangles directly rather than replacing them with corrected planar ones.