Sullivan, Michael, <br/><br/>
Precalculus :  concepts through functions, a right triangle approach to trigonometry / 
Michael Sullivan, Michael Sullivan III. 
 - Upper Saddle River, N.J. :  Pearson Prentice Hall,  c2007. 
 - 1 v. (various pages) :  ill. (some col.) ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0131874764 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions--Textbooks.<br/>Trigonometry--Textbooks.
<br/><br/><label>LC Class. No.: </label>QA331.3  / .S9238 2007 
<br/><br/><label>Dewey Class. No.: </label>515