Creus-Chavez, Divina G.  <br/><br/>
A syllabus-based worktext in plane trigonometry / 
Divina G. Creus-Chavez; Renelyn P. Rodil-Cordial; Amparo F. Ilagan-Nataya. 
 - ii, 150 p. ;   ill. ;  25 cm.  
<br/><br/>  
<br/><br/><label>ISBN: </label>9789710508877 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry.
<br/><br/><label>Dewey Class. No.: </label>516.242/C398