000 00385nam a2200145Ia 4500
008 211109s9999||||xx |||||||||||||| ||und||
082 _a516.24
_bNAR-T
100 _aNarayanan, S
245 0 _aTrigonometry
260 _bNATIONAL BOOKSTALL
_aKottayam
_c1976
300 _a256p.
630 _xGeneral Stack
650 _aNatural Sciences
_vMathematics
_xCalculusGeneralia
942 _cBOOK
999 _c67461
_d67461