TY  - BOOK
AU  - Sinha,V.P.
AU  - Dhawan,G.K.
TI  - A Textbook of higher plane trigonometry: for B. A., B. S. C and B. F. students 
U1  - 514.5 
PY  - 1969///
CY  - Gwalior
PB  - Kailash Pustak Sadan
KW  - Trigonometry
KW  - Functions of comples variables
ER  -