Fundamentals of trigonometry - Swokowski, Earl W. 1926-1992. 4 0 (Earl William),16; (Jeffery Alan), 1955- Cole, Jeffery A.; 5 (Boston : PWS-Kent Publishing, 1989)
Includes index.
Keywords: 2 -- 0; 6; Plane trigonometry. -- 20; 20; 2