Trigonometry
Subtitle: Answers and key
By: by Rolland R. Smith and Paul P. Hanson
Contributors: Hanson, Paul P. (Paul Phillip), 1901-
Publisher: World Book Co.
Published: 1957
Place of publication: Yonkers-on-Hudson, N.Y
Language: eng
Number of pages: 32
Subjects: Plane trigonometry; Textbooks
Notes: Cover title.