Hornsby, John <br/><br/>
A Graphical approach to college algebra and trigonometry / 
John Hornsby, Margaret L. Lial. 
 - 2nd ed. 
 - Reading, Mass. :  Addison-Wesley,  c1999. 
 - xv, 927 pages :   color illustrations ;   26 cm 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>032102172X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.<br/>Trigonometry.
<br/><br/><label>LC Class. No.: </label>QA152.2   / H78 1999