TY  - BOOK
AU  - Larson, Roland E.
AU  - Hostetler, Robert P.
AU  - Edwards, Bruce H.
TI  - Trigonometry: : Agraphing approach
SN  - 0669282960
AV  - QA 531 .L37 1989 
PY  - 1989///
CY  - Massachusetts
PB  - D. C Health and Company
KW  - Trigonometry
KW  - Trigonometry--Study and teaching
N1  - Includes index
ER  -