Alarcon, Ignacio. <br/><br/>
Problem supplement for Cohen's Precalculus:  a problems-oriented approach, fifth edition and Precalculus with unit-circle trigonometry, third edition/ 
Ignacio Alarcon. 
 - Pacific Grove, CA :  Brooks/Cole,  c2002. 
 - 311 p. ;  28 cm. 
<br/><br/><label>ISBN: </label>0534391419 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus--Problems, exercise, etc.<br/>Mathematical analysis.<br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>510 A321