Sparks Fred W <br/><br/>
Plane trigonometry 

 -  1965 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>39317 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Trigonometry<br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>B52, K5