Plane trigonometry / 
Dolores G. Barcelon ; Sancho S. Buquing ; Marita S. Magat ; Marilyn B. Toledo. 
 - Meycauayan, Bulacan :  Trinitas Publisher, Inc.,  2003. 
 - 227 p. :  black and white illustrations ;  25 cm.,  paperback. 
<br/><br/> Includes glossary, and bibliography. 
<br/><br/><label>ISBN: </label>9714204119 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry-- Study and teaching (Higher).<br/>Plane trigonometry--Problems, exercises, etc.<br/>Plane trigonometry-- Aids and devices.
<br/><br/><label>Dewey Class. No.: </label>Fil 516.242 P712 2003