Sharma, A.K. <br/><br/>
Text book of trigonometry :  DPH mathematics Series  (B.A, BSc,Bcom,I.A .S,P.C.S) / 
A.K. Sharma 
 - New Delhi  Arora Offset Press  2004 
 - 234 p.: 
<br/><br/>Complex Numbers (Page-1), Exponential Trigonometric and Hyperbolic Functions of a Complex Variable (Page-71), Logarithms of Complex Numbers (Page-101), Inverse circular and Hyperbolic Functions of Complex Numbers (Page-123), Expansion of Some Trigonometrically Factions (Page-141), Geogory,s Series and Trigonometrically Expansions (Page-165), Summation of Trigonometrically Series (Page-193). 
<br/><br/><label>ISBN: </label>8171419046 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonmetry
<br/><br/><label>Dewey Class. No.: </label>514,SHA