Krishan,Hari <br/><br/>
Trigonometry 
Hari Krishan 
 - New Delhi  Atlantic  2005 
 - 301  HBk 
<br/><br/><label>ISBN: </label> 550 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics; Trigomnometry
<br/><br/><label>Dewey Class. No.: </label>516.24  / KRI