Sprague, Atherton Hall <br/><br/>
Essentials of plane trigonometry and analytic geometry. 

 - New York  Prentice-Hall, inc.  1934. 
 - 228 p. 
<br/><br/><label>LCCN: </label>34030387  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry, Plane.<br/>Geometry, Analytic--Plane.