000 00230nam a22000857a 4500
008 120704b xxu||||| |||| 00| 0 eng d
050 _aQA331.3
_b.C64 1994
100 _aCOHEN
_92129
245 _aPRECALCULUS WITH UNIT-CIRCLE TRIGONOMETTRY
999 _c64764
_d64764