Hornsby, John ; Lial ,Margaret  L. <br/><br/>
A Graphical Approach to Precalculus with Limits: a unit circle approach 

 - 4th 
 -  2007 
 - various 
<br/><br/><label>ISBN: </label>0-321-35696-9 
<br/><br/><label>Subjects--Personal Names: </label><br/>Mathematics
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humanities and Natural sciences