Borchardt, W G; Perrott, A D <br/><br/>
New trigonometry for schools 

 -  G Bell & Sons Ltd., London 
 - 396 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry; Mathematics
<br/><br/><label>Dewey Class. No.: </label>516.24  BOR-N