00688nam a22001937a 4500008004100000020001500041050002300056100003100079245013700110260003700247300004500284650001300329650002900342650001800371650003400389700002400423700002500447700002200472150918b        xxu||||| |||| 00| 0 eng d  a0201616750  aQA 154.2.P725 2000  aBittinger, Marvin L.d2000  aPrecalculus: graphs and modelsbA unit circle approach/c Marvin L.Bittinger,Judith A. Beecher, David Ellenbogen and Judith A. Penna  aBoston.bAddison Wesley, c2000.  axviii,793(87) p. : ill.bIncludes index.  aAlgebra.  aAlgebra-Graphic methods.  aTrigonometry.  aTrigonometry-Graphic methods.  aBeecher, Judith A.   a Ellenbogen,  David.  aPenna, Judith A.