TY  - BOOK
AU  - Vasishtha, A.R.
AU  - Rastogi, Sugam
TI  - Trigonometry as per U.P. unified syllabus w.e.f. 2011-2012
T2  - Made easy
SN  - 9788182831834
U1  - 514 
PY  - 2011///
CY  - Meerut
PB  - Krishna Prakashan
ER  -