000 00516nam a22002057a 4500
003 OSt
005 20210321162946.0
008 210321n ii ||||| ||| 000 0 eng d
020 _cRs. 11.00
082 _a516.24
_bDAS\H
100 1 _aDas, B.C
_eaut
245 1 _aHigher trigonometry
_cB.C. Das and B.N. Mukherjee
250 _a19th ed.
260 _aCalcutta
_bU.N. Dhur & Sons
300 _axvi, 283 p.
650 _aTrigonometry
650 _aMathematics
700 1 _aB.N. Mukherjee
_eaut
942 _2ddc
_cBBK
999 _c2827
_d2827