TY  - BOOK
AU  - Swokowski, Earl W.
AU  - Cole, Jeffery A.
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 2
PY  - 1989///];©1989.46
CY  - Boston
PB  - PWS-Kent Publishing
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Plane trigonometry
N1  - Includes index; 5
ER  -