Barnnet, Raymond. <br/><br/>
College algebra with trigonometry/ 
Raymond A. Barnett, Michael R. Ziegler and Karl E. Byleen. 
 - Seventh edition. 
 - USA:  McGraw-Hill,  c2002. 
 - pages 381-909. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0072368691 0071226710 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.<br/>Trigonometry.
<br/><br/><label>Dewey Class. No.: </label>DC 512.13 B26c 2002