Larson, Ron. <br/><br/>
Trigonometry / 
Ron Larson and Robert Hostetler  
 - Seventh edition. 
 - Boston:  Houghton Mifflin Company,   c2007. 
 - 1 volume (various pagings) :   illustrations (some color) ;   26 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780618643325 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry--Study and teaching (Secondary)
<br/><br/><label>Dewey Class. No.: </label>DK12 516.2407  / L334