TY - BOOK AU - Kotah, Manuel T. AU - Gayangos, Samuel G. AU - Caumera, Marlon A. AU - Coyme, Ma. Donna A. TI - Appreciating trigonometry / SN - 9710626671 U1 - FIL 516.24 Ap1 2006 PY - 2006/// CY - Quezon City PB - Phoenix Publishing House, Inc., KW - Trigonometry N1 - Includes bibliographical references and index ER -