Heath algebra 2 with trigonometry / 
Clyde A. Dilley ... [et al.] 
 - Lexington, Mass. :  D. C. Heath and Company,  1990 
 - 852 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0669208531 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.<br/>Trigonometry.