Plane trigonometry / 
Edwin P. Ibaņez, Darwin P. Paguio, Ediric D. Gadia, Dynah D. Soriano, Geraldine B. Fabay, MArk Denice Y. Baquiran 
 - iv, 202 pages :  illustrations ;  26 cm. 
<br/><br/><label>ISBN: </label>9789710161881 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>516.242