Larson, Ron.  1941- <br/><br/>
Trigonometry :  a graphing approach / 
Ron Larson, Robert P. Hostetler and Bruce H. Edwards. 
 - 3rd ed. 
 - Boston, MA :  Houghton Mifflin Co.,  2001. 
 - p.  cm. 
<br/><br/><label>ISBN: </label>0618394583 9780618052936 
<br/><br/><label>LCCN: </label>2003113995 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry Mathematics 
<br/><br/><label>Dewey Class. No.: </label>516.24