TY  - BOOK
AU  - Cohen,David
AU  - Lee,Theodore
AU  - Sklar,David
TI  - Precalculus with unit-circle trigonometry
SN  - 0534402305
PY  - 2006///
CY  - Belmont, CA
PB  - Thomson Brooks/Cole
KW  - Algebra
KW  - Textbooks
KW  - Functions
KW  - Trigonometry
ER  -