Ayres, Frank  1901-, <br/><br/>
Schaum's outlines of theory and problems of trigonometry  with calculations based solutions 
Frank Ayres , Robert E. Moyer 
 - third ed. 
 - New York  McGraw-Hill  1998 
 - viii, 215p.  ill.  28cm. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>0070068933 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry--outlines syllabi, etc.<br/>Trigonometry--problems, exercises, etc.