Kaufmann, Jerome E. <br/><br/>
Precalculus / 
Jerome E. Kaufmann. 
 - 2nd ed. 
 - Boston :  PWS - KENT Pub.,  c1991. 
 - xv, 570p. : col. ill. ; 24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0534924743 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.<br/>Trigonometry.<br/>Geometry, Analytic.