Fahlberg-Stojanovska, Linda. <br/><br/>
Everything You Need to Know About Basic Trigonometry 

 -  BrainMass Inc  2012 
 - Need to Know Series (BrainMass Inc.) .
<br/><br/><label>Subjects--Topical Terms: </label><br/> Trigonometry<br/>MATHEMATICS <br/>Trigonometry--Problems, exercises, etc.