Crowdis, David G <br/><br/>
Trigonometry  a functional approach 

 - New York  McGraw-Hill  1971 
 - viii,320 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS<br/>TRIGONOMETRY
<br/><br/><label>Dewey Class. No.: </label>512.13  / CRO