Brink, Raymond W.  <br/><br/>
Plane trigonometry / 
Raymond W. Brink. 
 - Rev. ed.  
 - New York :  Appleton-Century-Crofts,  c 1940. 
 - xii, 226 p. :  ill. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/>310  310 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry.
<br/><br/><label>Dewey Class. No.: </label>514.5 / B771p