00559    a2200145   4500020001500000050001900015100003000034245016300064264004600227300004500273500002200318650001800340700002500358700003000383  a066941760200aQA531.TRI 19971 aLarson, Roland E.eauthor10aTrigonometry :ba graphing approach with technology updates /cRoland E. Larson, Robert P. Hostetler, Bruce H. Edwards ; with the assistance of David E. Heyd.  aBoston:bHoughton Mufflin company.,c1997  axxxii, 498, 147 p. :bill. (some col.) ;  aIncludes indexes. 0aTrigonometry.1 aHostetler, Robert P.1 aEdwards, Bruce H.,d1946-