Hobson, E.W.. <br/><br/>
A Treatise on Plane Trigonometry /  Textual Documents 
E.W.Hobson. 
 - 2nd ed. / 
 - Cambridge :  At The University Press ,  1897. 
 - 360p. :  ill ;  22cm . 
<br/><br/><label>Subjects--Index Terms: </label>Trigonometry Plane Trigonometry G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>513.1  / H 653 T