000 00311nam a2200121Ia 4500
008 191004s9999 xx 000 0 und d
082 _a516.24
_bMIT/T
100 _aMITTAL,SC...[et al]
245 0 _aTrignometry For B.A, B.Sc. Classes
260 _bPragathi Prakasan Mearut,
_c1992
300 _a226p
942 _cBK
999 _c4546
_d4546