Asin, Ricardo c. <br/><br/>
simplified soluthone to problems in trigonometry / 

 -  New Delhi, National  Book,  c 1985 
 - 214p, ;  NA  24 cm. 
<br/><br/><label>ISBN: </label>NA 
<br/><br/><label>Dewey Class. No.: </label>516.24