Rider, Paul R. <br/><br/>
Plane and spherical trigometry. 

 - xiv, 143 p. : tabs.  24cm. 
<br/><br/><label>ISBN: </label>971-08-1918-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigometry.
<br/><br/><label>Dewey Class. No.: </label>516.242 R435 1971