Property 5 Distinct Zeros in [-1, 1] TN()has n distinct zeros that lie in the interval [-1, 1(see Figure 4.15) 2k+1)丌 k= coS( 2M ) for k=0, 1,., M These values are called the Chebyshev abscissas(nodes)Property 5. Distinct Zeros in [-1,1]