TY  - BOOK
AU  - Ewen, Dale.
AU  - Akers, Lynn R.
TI  - Trigonometry with Applications
SN  - 0201113120
AV  - QA 531 .E94 1984 
PY  - 1984///
CY  - London
PB  - Addison-Wesley
KW  - Application
N1  - Includes index
ER  -