VARMA (R S) & SHUKLA (K S). <br/><br/>
Text book on trigonometry. 

 - Allahabad  Pothishala Pvt Ltd  1969 
 - 203 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>516.24 VART