**A Short Course in Plane and Spherical Trigonometry Edwin S. Crawley**

A Short Course in

Plane and Spherical Trigonometry

Edwin S. Crawley

Philadelphia: E.S. Crawley 1910

Copyright 1902

121 pages

The binding has breaks but all pages are present and attached. The pages are tanned and have a small amount of margin notations and a couple of pages have ink drop stains. The cover is faded and edge worn. Acceptable. Hardcover.

Contents: Introductory Topics, The Trigonometric Functions, Solution of Right Triangles, General Formulae, Solution of Oblique Triangles, Miscellaneous Problems, Spherical Right Triangles, Formulae for Spherical Oblique Triangles, Solution of Spherical Oblique Triangles (#0000556)