Balmeo, Virginia. <br/><br/>
Worktext in Trigonometry :  for college freshmen / 
Virginia G. Balmeo . 
 - Revised edition. 
 - Intramuros, Manila ;  Purelybooks Trading And Publishing Corp.,  2013. 
 - 153 pages :  black and white illustrations ;  25 cm. 
<br/><br/> Includes references. 
<br/><br/><label>ISBN: </label>97897199983163 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry.<br/>Trigonometry--Textbooks.<br/>Trigonometry--Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>FIL 516.24 B21w 2013