PRASAD, SURYA BHASHAN. <br/><br/>
TEACH YOURSELF TRIGONOMETRY 

 - PATNA  BHARTI BHAVAN  1995 
 - 249:  22CM. 
<br/><br/><label>Subjects--Index Terms: </label>Geometry 
<br/><br/><label>Dewey Class. No.: </label>516.24 PRA