Demana, Franklin D <br/><br/>
Precalculus  : functions and graphs 
Franklin Demana and Bert K. Waits 
 - California:  Addison-Wesley,  1990. 
 -  718p. 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0201527812 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>512.13  / DEP