TY  - BOOK
AU  - Foerster,Paul A.
TI  -  Trigonometry: functions and applications. 
SN  - 0201019965
U1  - 516.24 FOE 
PY  - 1997///
CY  - Menlo Park, California
PB  - Addison-Wesley publishing company
KW  - Trigonometry
KW  - 	
KW  - Problems, exercises, etc
ER  -