Let , , and be the sides of a spherical triangle, then the spherical defect is defined as
Spherical Defect
See also
Angular Defect, Spherical Excess, Spherical TriangleExplore with Wolfram|Alpha
References
Harris, J. W. and Stocker, H. Handbook of Mathematics and Computational Science. New York: Springer-Verlag, p. 109, 1998.Referenced on Wolfram|Alpha
Spherical DefectCite this as:
Weisstein, Eric W. "Spherical Defect." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/SphericalDefect.html