prgmNEW1

 "a sinb(x-c) +D"
 "a = amplitude"
 " B period of rep"
 "c = phase shift"
 " D = vertical shift"
 "System of eq a + (n-1)d"
 " infinate soulution = 0"
 "x1 = x    61 = 6"
 "x0 = 1    70 = 1"
 "xmxn = xm+n   x2x3 = x2+3 = x5"
 "xm/xn = xm-n  x6/x2 = x6-2 = x4"
 "(xy)n = xnyn  (xy)3 = x3y3"
"(x/y)n = xn/yn (x/y)2 = x2 / y2"
 "x-n = 1/xn    x-3 = 1/x3"
 "(x – h)2 + (y – k)2 = r2,  (h, k)"
 "(xm)n = xmn   (x2)3 = x2×3 = x6"