How many terms in Chebyshev evaluation?
 Enter n between 6 and 40. Enter n=0 to END.
         X        Actual   Cheby. Deriv.
    -1.256637    2.563207    2.563218
    -1.099557    0.384989    0.384982
    -0.942478   -0.921232   -0.921229
    -0.785398   -1.454446   -1.454448
    -0.628318   -1.406750   -1.406749
    -0.471239   -1.017505   -1.017503
    -0.314159   -0.528463   -0.528466
    -0.157080   -0.144005   -0.144005
     0.000000   -0.000000    0.000000
     0.157080   -0.144005   -0.144007
     0.314159   -0.528463   -0.528465
     0.471239   -1.017505   -1.017502
     0.628318   -1.406750   -1.406746
     0.785398   -1.454446   -1.454446
     0.942478   -0.921232   -0.921237
     1.099557    0.384989    0.384992
     1.256637    2.563207    2.563205
 How many terms in Chebyshev evaluation?
 Enter n between 6 and 40. Enter n=0 to END.
         X        Actual   Cheby. Deriv.
    -1.256637    2.563207    2.571033
    -1.099557    0.384989    0.374743
    -0.942478   -0.921232   -0.932051
    -0.785398   -1.454446   -1.454626
    -0.628318   -1.406750   -1.397780
    -0.471239   -1.017505   -1.007973
    -0.314159   -0.528463   -0.525991
    -0.157080   -0.144005   -0.150122
     0.000000   -0.000000   -0.009859
     0.157080   -0.144005   -0.150121
     0.314159   -0.528463   -0.525990
     0.471239   -1.017505   -1.007972
     0.628318   -1.406750   -1.397779
     0.785398   -1.454446   -1.454627
     0.942478   -0.921232   -0.932052
     1.099557    0.384989    0.374741
     1.256637    2.563207    2.571032
 How many terms in Chebyshev evaluation?
 Enter n between 6 and 40. Enter n=0 to END.