14:3014:30, 15 March 2010diffhist+538
N
Half-side formula
←Created page with 'These are formulae used in spherical trigonometry to solve spherical triangles. <math>tan(a/2) =R cos (S- %alpha)</math> <math>tan (b/2) = R cos (S- %beta)</math>...'
14:3014:30, 15 March 2010diffhist+538
N
Half-side formula
←Created page with 'These are formulae used in spherical trigonometry to solve spherical triangles. <math>tan(a/2) =R cos (S- %alpha)</math> <math>tan (b/2) = R cos (S- %beta)</math>...'