00397nam a22001337a 4500008004100000020001500041082002700056100002800083245004800111260003700159300002200196650001700218700002800235140226b        xxu||||| |||| 00| 0 eng d  a9712314677  aFil. 516.24 Ad1bc1994  aAdanza, Estela Galicano  aPlane trigonometry/cEstela Galicano-Adanza  aManila:bRex Book Store,cc1994.  avi, 172p. :bill.  xTrigonometry  aRoberto Natividad Padua