Cohen, David,  1942 September 28- <br/><br/>
Precalculus with unit-circle trigonometry / 
David Cohen. 
 - 3rd ed. 
 - Pacific Grove :  Brooks/Cole,  c1998. 
 - 1 v. (various pagings) :  ill. (some col.) ;  29 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0534352758 (alk. paper) 
<br/><br/><label>LCCN: </label>97027630  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions.--ME<br/>Algebra.<br/>Trigonometry.
<br/><br/><label>LC Class. No.: </label>QA331.3  / .C64  1998 
<br/><br/><label>Dewey Class. No.: </label>512.13 COH