HALL (H S) & KNIGHT (S R). <br/><br/>
Elementary trigonometry. 

 - London  Macmillan & Co. Ltd.  1962 
 - 443 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>516.24 HALE