Trigonometry:  made simple for Filipinos/ 

 - Mandaluyong City:  National Book Store,   c2004. 
 - 271 pages:  illustrations;  25 cm. 
<br/><br/> include bibliography 
<br/><br/><label>ISBN: </label>9710861662 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>DFil 516.24  / T73