Holder, Leonard Irvin,  1923- <br/><br/>
Trigonometry / 
Leonard I. Holder. 
 - Belmont, Calif. :  Wadsworth Pub. Co.,  c1982. 
 - x, 271 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0534010148 :  $15.95 (est.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry.
<br/><br/><label>Dewey Class. No.: </label>516.24  / HOT 1982