Swokowski, Earl William <br/><br/>
Fundamentals of trigonometry / 
Earl W. Swokowski, Jeffery Cole 
 - 9th ed. 
 - Pacific Grove, CA:  Brooks Cole,  1999 
 - xvi, 504, 72 p. :  ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0534361285 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry<br/>Plane trigonometry