TY  - BOOK
AU  - AYRES, FRANK
TI  - TRIGONOMETRY: THEORY AND PROBLEMS
T2  - 0
U1  - 516.24 
PY  - 1954///
CY  - U.S.A.
PB  - SCHAUM PUBLISHING CO
KW  - CIENCIAS PURAS
N1  - ANGLES/TABLES/LOGARITHIMS/VARIATHIONS
ER  -