Aufmann, Richard N. <br/><br/>
College trigonometry / 
Richard N. Aufmann, Vernon C. Barker, Richard D. Nation, Jr. 
 - Boston, MA :  Houghton Mifflin Co.,  c1990. 
 - ix, 303, 67 p. :  ill. ;  26 cm. 
 - College algebra and trigonometry series .
 - Aufmann, Richard N.  College algebra and trigonometry series. .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0395526248 0395380987 9781439049396 
<br/><br/><label>LCCN: </label>89080912  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry.
<br/><br/><label>LC Class. No.: </label>QA531  / .A87 1990 
<br/><br/><label>Dewey Class. No.: </label>516.24  / ARC