Ayres, Frank. <br/><br/>
Schaum's outline of theory and problems of plane and spherical trigonometry / 
by Fran Ayres, Jr. 
 - New York :  McGraw-Hill Book,  c1954. 
 - 207 p. :  ill. ;  28 cm. 
 - (Schaum's outline series) .
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>070026513 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry.<br/>Spherical trigonometry.
<br/><br/><label>LC Class. No.: </label>QA533  / .A97 1954