Ayres, Frank,  1901- <br/><br/>
Schaum's outline of theory and problems of plane and spherical trigonometry / 
Frank Ayres 
 - 207 páginas 
 - Schaum's outline series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometría--Problemas, ejercicios, etc.
<br/><br/><label>LC Class. No.: </label>QA537  / A8