Larson, Roland E. <br/><br/>
Algebra and trigonometry :   a graphing approach 
Roland E. Larson 
 - Mass. :   D. C. Heath and Company,   c1993. 
 - various paging :   ill. ;   24 cm. 
<br/><br/><label>ISBN: </label>0-669-33341-7. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Algebra.<br/>2. Trigonometry.
<br/><br/><label>Dewey Class. No.: </label>Circ. 512 L335a 1993