TY  - BOOK
AU  - Drooyan, Irving. and others
TI  - Trigonometry : : an analytic approach 
SN  - 0-02-330350-6
U1  - 516.24 
PY  - 1983///
CY  - New York
PB  - MACMILLAN PUB
N1  - Includes Index
ER  -