000 00472nam a2200169Ia 4500
003 IN-KoSCC
082 _a514+517.8
_bD229Sh
100 1 _aDas, B.C.
245 1 _aPre-university trigonometry
250 _a7th.rev.ed. C3:8th.ed.
260 _aCalcutta
_bU.N. Dhur
_c1968
300 _aviii,252,xxiip.
_bill.diagrs.
_c18cm.
500 _aRs.6.00 C1-Lost&Replaced by H.S trigonometry 9th.ed.1999-Rs.25.00
653 _aMathematics
700 _aMukherjee, B.N.
942 _cBK
999 _c2047
_d2047