The Forgotten Math Subject

In this video I will show you a book that teaches math that is no longer taught today. This a subject that used to be taught long ago. It is called Spherical Trigonometry. The book in the video is titled Spherical Trigonometry and it was written by Raymond Brink. Here are a few copies A different version Useful Math Supplies My Recording Gear (these are my affiliate links) ***********Math, Physics, and Computer Science Books*********** Epic Math Book List Pre-algebra, Algebra, and Geometry College Algebra, Precalculus, and Trigonometry Probability and Statistics Discrete Mathematics Proof Writing Calculus Differential Equations Books Partial Differential Equations Books http