Formulas, notes and solved problems on plane trigonometry:  handy reference book for high school & college students/ 

 - 152 pages:  illustrations;  22 cm. 
<br/><br/><label>ISBN: </label>9719013486 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry<br/>Trigonometry--Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>516.24