Plane and spherical trigonometry

Bibliographic Details
Main Author:	Kells, Lyman Morse 1888-
Other Authors:	Kern, Willis Frederick 1903-, Bland, James R.
Format:	Book
Language:	English
Published:	New York McGraw-Hill 1940
Subjects:	Plane trigonometry. Spherical trigonometry. Trigonometry, Plane. Trigonometry, Spherical.