TY  - BOOK
AU  - Sullivan,Michael
TI  - Precalculus: concepts through functions, a right triangle approach to trigonometry 
SN  - 0131874764
AV  - QA331.3  .S94 2007
PY  - 2007///
CY  - Upper Saddle River, NJ
PB  - Pearson
KW  - Functions
KW  - Textbooks
KW  - Trigonometry
ER  -