Zill, Dennis G. <br/><br/>
Algebra and trigonometry / 
by Dennis G. Zill, Jacqueline M. Dewar. 
 - 2nd ed. 
 - New York, N.Y. :  McGraw-Hill,  1990. 
 - xvii, 678 p., I-11. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0075570955 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.<br/>Trigonometry.