How many terms in Chebyshev evaluation?
 Enter n between 6 and 40. Enter n=0 to END.
         X        Actual   Chebyshev fit Chebyshev fit
    -0.785398   -0.424422   -0.424421   -0.424421
    -0.628319   -0.064913   -0.064913   -0.064913
    -0.471239    0.036719    0.036719    0.036719
    -0.314159    0.029243    0.029243    0.029243
    -0.157080    0.005806    0.005805    0.005805
     0.000000    0.000000    0.000000    0.000000
     0.157080   -0.009443   -0.009444   -0.009444
     0.314159   -0.086732   -0.086732   -0.086732
     0.471239   -0.321769   -0.321769   -0.321769
     0.628319   -0.809888   -0.809888   -0.809888
     0.785398   -1.631024   -1.631023   -1.631023
     0.942478   -2.830770   -2.830770   -2.830770
     1.099558   -4.405574   -4.405574   -4.405574
     1.256637   -6.293908   -6.293908   -6.293908
     1.413717   -8.374757   -8.374756   -8.374756
     1.570796  -10.474088  -10.474087  -10.474087
 How many terms in Chebyshev evaluation?
 Enter n between 6 and 40. Enter n=0 to END.
         X        Actual   Chebyshev fit Chebyshev fit
    -0.785398   -0.424422   -0.429706   -0.429706
    -0.628319   -0.064913   -0.060748   -0.060748
    -0.471239    0.036719    0.031330    0.031330
    -0.314159    0.029243    0.023113    0.023113
    -0.157080    0.005806    0.007202    0.007202
     0.000000    0.000000    0.008125    0.008125
     0.157080   -0.009443   -0.001739   -0.001739
     0.314159   -0.086732   -0.086244   -0.086244
     0.471239   -0.321769   -0.329561   -0.329561
     0.628319   -0.809888   -0.820256   -0.820256
     0.785398   -1.631024   -1.635372   -1.635372
     0.942478   -2.830770   -2.824516   -2.824516
     1.099558   -4.405574   -4.393934   -4.393934
     1.256637   -6.293908   -6.290594   -6.290594
     1.413717   -8.374757   -8.386272   -8.386272
     1.570796  -10.474088  -10.461637  -10.461637
 How many terms in Chebyshev evaluation?
 Enter n between 6 and 40. Enter n=0 to END.