Plane and Spherical Trigonometry

This hardcover edition of "Plane and Spherical Trigonometry" is in good condition. The green cloth cover shows minor wear, particularly at the edges and corners, but remains sturdy. The spine is intact, with some fading of the lettering. There is no dust jacket present. The pages are clean and free of inscriptions or markings, indicating gentle use over the years.

"Plane and Spherical Trigonometry" by Paul R. Rider, Ph.D., is a comprehensive textbook published by The Macmillan Company in New York. This specific edition was printed in March 1947, following its original publication in 1942. Rider, a professor of mathematics at Washington University, offers an in-depth exploration of both plane and spherical trigonometry, making it a valuable resource for students and educators alike. The book is bound in a durable hardcover, characteristic of mid-20th-century academic texts. While it lacks a dust jacket, the green cloth cover with gold lettering remains appealing. This edition is a reprint, indicating its continued relevance and demand in the mathematical community. The book's condition suggests it has been well-preserved, making it a desirable addition for collectors of vintage academic works.