Brenke, William C. <br/><br/>
Plane and sphrical trigonometry 

 - New York  The Dryden press  1943 
 - Varies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>514  / B75P