Aufmann, Richard N. , <br/><br/>
College trigonometry / 
Richard N. Aufmann, Vernon C. Barker and Richard D. Nation. 
 - 6th ed. 
 - xix, 544 pages :  color illustrations ;  25 cm. 
<br/><br/><label>ISBN: </label>061882507X 9780618825073 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry --Textbooks.
<br/><br/><label>LC Class. No.: </label>QA531   / .A94 2008