TY  - BOOK
AU  - Reyes, Fe N.
AU  - Felix, Rene P.
AU  - Mapa, Felina G.
AU  - Tangco, Jesusa T.
TI  - Trigonometry
SN  - 9710861328
U1  - FIL 516.24 T73 2000 
PY  - 2000///
CY  - Mandaluyong City
PB  - National Book Store
KW  - Trigonometry
KW  - Problems, exercises, etc
N1  - Includes index
ER  -