Ayres, Frank <br/><br/>
Schaum's outline of theory and problems of trigonometry:  with calculator-based solutions 

 - 2nd ed. 
 - New York:  McGraw-Hill,  1954 
 - vi, 223p.;  29cm. 
<br/><br/><label>ISBN: </label>0070026599 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>516.24  / AYR