Batacan,Ma. Carmelita A. <br/><br/>
Plane trigonometry 
Ma. Carmelita A. Batacan, Lorna G. Salamat, Antonia C. Sta Maria 
 - MandaluyongCity:  National Bookstore;  [2001] 
 - viii 265 pages:  with illustration;  25 cm. 
<br/><br/><label>ISBN: </label>9710862006 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane Trigonometry
<br/><br/><label>LC Class. No.: </label>QA 533  / .B3281 2001