TY  - BOOK
AU  - Sisson , Paul. 
TI  - Precalculus
SN  - 0918091896
AV  -  QA331.3 SIS 2006
PY  - 2006///
CY  - Charleston
PB  - Hawkes Learning Systems
KW  -  Functions
KW  -  Textbooks.
KW  -  Trigonometry
KW  - Textbooks
KW  - Functions
N1  - Includes bibliographical references and index
ER  -