Open AccessOn the special spherical triangles for physical and cosmological applications
Author(s) -
S. Kalimuthu
Publication year - 2021
Publication title -
annals of mathematics and physics
Language(s) - English
Resource type - Journals
ISSN - 2689-7636
DOI - 10.17352/amp.000030
Subject(s) - equator , point (geometry) , line (geometry) , spherical trigonometry , surface (topology) , longitude , great circle , geometry , globe , physics , degree (music) , single point , mathematics , theoretical physics , latitude , mathematical analysis , astronomy , biology , neuroscience , acoustics , limit (mathematics)
It is well known that a spherical triangle of 270 degree triangle is constructible on the surface of a sphere; a globe is a good example. Take a point (A) on the equator, draw a line 1/4 the way around (90 degrees of longitude) on the equator to a new point (B).