Brenke, William C. <br/><br/>
Plane and spherical trigonometry / 
William C. Brenke. 
 - New York :  Dryden press,  c 1943. 
 - x, 102 p. :  ill. ;  21 cm. 
<br/><br/>310  310 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry.
<br/><br/><label>Dewey Class. No.: </label>514 / B751p