**TI86** Program file dated 06/23/04, 19:56 • …SPRINGER…ƒDifEqÖ4a1Ö5b1ÖQ'1=Q2ÖQ'2=b1Q1Öa1Q1ÖRKÖ0xMin:5xMaxÖ0tMin:5tMaxÖ5yMin:5yMaxÖDispGÖy1=a1 cos (b1*x)Öy3=a1*b1 sin (b1*x)Öï/