An elementary treatise on plane trigonometry with numerous examples and applications. Designed for the use of high schools and colleges This book, "An elementary treatise on plane trigonometry", by J. Morrison, is a replication of a book originally published before 1880. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.