Ambrose, William G <br/><br/>
Trigonometry  a functional approach 
by William G. Ambrose 
 - Columbus, Ohio  Charles Merrill  1973 
 - viii, 247 p, : ill. ; 24 cm. 
<br/><br/><label>ISBN: </label>0675089913 
<br/><br/><label>LCCN: </label>72-094346 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry, Plane