The Mollweide Equations from the Law of Sines

Abstract

Mollweide’s equations: In △ABC , we have that sin (α−β2) cos (γ2)=a−bc and cos (α−β2) sin (γ2)=a+bc. Apply the law of sines to △ABD and △ABE . Note that α+β2 and γ2 are complementary, as are α−...