TY  - BOOK
AU  - Barnett,Raymond A.
TI  - Modern trigonometry: analysis and applications 
SN  - 9780470414408
AV  - QA533  .M62 2009
PY  - 2009///
CY  - Hoboken, NJ
PB  - Wiley
KW  - Plane trigonometry
ER  -