1.5. 4 Chebyshev Nodes Table 1. 13 Coefficient Polynomials Used to Form P3(a) Based on the Chebyshev Nodes k = coS((7-2k)T/8 C(x)=0.1035539+0.11208538x+0.7071067872-0.76536686737 (x)=0.60355339-157716102x-0.70710678x2+1.847790673 C2(x)=0.60355339+15716102x-0.70710678x2-1.84775906 C3(x)=0.10355339-0.11208538x+0.70710678x2+0.76536686x31.5.4 Chebyshev Nodes