Larson, Ron <br/><br/>
Trigonometry/ 
by Ron Larson and Robert Hostetler 
 - 7th ed. 
 - [s.l.]:  Houghton Mifflin Company,  c2007 
 - 26 hours 
 - Mathematics Instructional DVD Series .
<br/><br/><label>ISBN: </label>0-618-64341-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry<br/>Trigonometry - Study and teaching
<br/><br/><label>Dewey Class. No.: </label>BMV 516.24  / L32t 2007