Drooyan, Irving, <br/><br/>
Trigonometry  an analytic approach 
[by] Irving Drooyan, Walter Hadel [and] Charles C. Carico. 
 - 2d ed. 
 - New York  Macmillan  [1972, c1973] 
 - ix, 397 p.  illus.  24 cm. 
<br/><br/><label>LCCN: </label>77185213  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry, Plane.
<br/><br/><label>LC Class. No.: </label>QA533  / .D75 1973 
<br/><br/><label>Dewey Class. No.: </label>516/.24