000 00306nam a2200133Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aRaisinghania. Md And Aggarwal R.S
245 0 _aTrigonometry
250 _a2nd Ed.
260 _bNull
_c1985
300 _a144
650 _aMathematics
942 _cBK
999 _c30999
_d30999