Ayres,Frank <br/><br/>
Schaum's outline of theory and problems of plane and spherical trigonometry. 
Frank Ayres 
 - NewYork  Schaum  1954 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics-Trigonometry
<br/><br/><label>LC Class. No.: </label>QA 531 .A9