Beckenbach, E. F. <br/><br/>
Modern college algebra and trigonometry / 
by Edwin F. Beckenbach and Irving Drooyan. 
 - 2nd ed. 
 - Belmont, Ca. :  Wadsworth Publishing Co.,  1972. 
 - x, 497 p. :  ill. ;  25 cm. 
<br/><br/> 1966 ed. published under title: Integrated college algebra and trigonometry; 3d ed. (c1977) published under title: College algebra and trigonometry. 
<br/><br/><label>ISBN: </label>0534001106 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.<br/>Trigonometry, Plane.