Heyd, David.E  Hostetler, Robert.P Larson, Roland.E <br/><br/>
Trigonometry a graphing approach 

 - TORONTO  D.C HEATH AND COMPANY  1995 
 - XXXII,613P 
<br/><br/><label>ISBN: </label>0-669-28296-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TRIGONOMETRY
<br/><br/><label>Dewey Class. No.: </label>516.24 LAR