Swokowski, Earl William,  1926- <br/><br/>
Fundamentals of trigonometry / 
Earl W. Swokowski. 
 - 5th ed. 
 - Boston, Mass. :  Prindle, Weber & Schmidt,  c1981. 
 - x, 309, 31 p. :  ill. ;  24 cm. 
<br/><br/> On cover: The Swokowski series.  Includes index. 
<br/><br/><label>ISBN: </label>0871503115 
<br/><br/><label>LCCN: </label>80027922  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry.
<br/><br/><label>LC Class. No.: </label>QA533  / .Sw7 1981 
<br/><br/><label>Dewey Class. No.: </label>516.2/4