Coburn, John W. <br/><br/>
Trigonometry / 
John W. Coburn, J.D. Herdick 
 - 2nd ed. 
 - New York :  McGraw Hill ,  2011 
 - xxxiv, 452 p. :  ill. ;  29 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780077349974  RM427.46 9780073519487 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry--Textbooks<br/>Mathematics