TY  - BOOK
AU  - Foerster,Paul A.
TI  - Precalculus with trigonometry: concepts and applications 
SN  - 159537892
AV  - QA531 .F64 2007
PY  - 2007///
CY  - Emeryville, CA
PB  - Key Curriculum Press
KW  - Trigonometry
KW  - Functions
KW  - Precalculus
N1  - Includes indexes
ER  -