TY  - BOOK
AU  - Foerster Paul A
TI  - Precalculus with trigonometry: concepts and applications 
SN  - 1559533919
AV  - QA531 
U1  - 516.24 
PY  - 2003///
CY  - Emeryville, CA
PB  - Key Curriculum Press
KW  - Trigonometry
KW  - Functions
KW  - Calculus
N1  - Includes index
ER  -