Swokowski, Earl William,  1926- <br/><br/>
Fundamentals Of Trigonometry /  eng. 
Earl W. Swokowski. 
 - 4th ed. 
 - Boston :  Prindle, Weber & Schmidt,  c1978. 
 - ix, 300, 38 p. :  ill. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0871502542 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry.<br/>Geometry, Analytic.
<br/><br/><label>LC Class. No.: </label>QA533  / .S95 1978