TY  - BOOK
AU  - Kotah, Manuel T.
AU  - Gayangos, Samuel G.
AU  - Caumeran, Marlon A.
AU  - Coyme, Ma. Donna A.
TI  - Appreciating trigonometry: : soaring 21st century mathematics
SN  - 971-06-2667-1
U1  - Fil. 516.24 A652 2006 
PY  - 2006///
CY  - Quezon City
PB  - Phoenix Publishing House, Inc.
KW  - Trigonometry
N1  - Includes bibliography and index
ER  -