Practical trigonometry
By: by H. C. Playne and R. C. Fawdry .
Contributors: Fawdry, R. C. (Reginald Charles), 1873-
Edition: 4th ed.
Publisher: Copp Clark Co. [1915?
Published: 1915
Place of publication: Toronto
Language: eng
Number of pages: 168
Subjects: Trigonometry; Trigonométrie