TY  - BOOK
AU  - Raisinghania, M. D.
AU  - Saxena, H. C.
AU  - Dass,  H. K. 
TI  - Simplified course trigonometry
SN  - 9788121918589
U1  - 516.24 
PY  - 1999///
CY  - New Delhi
PB  - S. Chand and Company Pvt. Ltd.
KW  - Mathematics
KW  - Trigonometry
N1  - Includes bibliographical references and indexes
ER  -