00430nam a22001337a 4500020001800000082002100018100002200039245008500061260004500146300003500191650001800226700002700244700002500271  a0-321-04362-6  a516.24 L693 19971 aLial, Margaret L.1 aTrigonometry /cMargaret L. Lial, E. John Hornsby, Jr. [and] David I. Schneider.  aMassachusetts :bAddison-Wesley,cc1997.  axxiv, 422 p. :bfigs. ; 24 cm.14aTrigonometry.1 aHornsby, Jr., E. John.2 aSchneider, David I.