Same task as in Prob. 23, for f(x) = |x| / (- < x ). Why is E* now much smaller (by a factor 100,

Same task as in Prob. 23, for f(x) = |x| /π (-π < x π). Why is E* now much smaller (by a factor 100, approximately!)?

Data from Prob. 23

Compute the minimum square error for f(x) = x/π (-π < x < π) and trigonometric polynomials of degree N = 1, · · ·, 5.