TY  - BOOK
AU  - Sullivan, Michael
TI  - Trigonometry: A Right Triangle Approach
SN  - 9781256307129
AV  - QA 531 .S85 2011 
PY  - 2011///
CY  - U.S.A
PB  - Pearson
KW  - Trigometry-- Study of Teaching
N1  - Includes index
ER  -