TY  - BOOK
AU  - Sullivan, Michael
AU  - Sullivan, Michael III.
TI  - PreCalculus:  Concepts Through functions. A right triangle approach to trigonometry
SN  - 9780321645180
AV  - QA331.3.S92 2011 8436
PY  - 2011///
CY  - Boston
PB  - Pearson Education Inc.
KW  - 1.Functions--Textbooks. 2. Trigonometry--Textbook. 
N1  - Includes bibliographical references and index
ER  -