TY - BOOK AU - Cabansay,Myrna A. AU - Lial,Margaret L. AU - Scott,Foresman TI - Trigonometry AV - QA531 .C23 1987 PY - 1987/// CY - San Juan, Rizal PB - Academe Pub. House KW - Trigonometry KW - Study and teaching N1 - adapted for use in Philippine schools by Myrna A. Cabansay from the work of Margaret L. Lial and Charles D. Miller ER -