... c4[5]={0.0,0.4 829 629 131445341,0.8365163037378079,0 .22 41438680 420 134,-0. 129 409 522 55 126 04};static float c 12[ 13]={0.0,0.111540743350, 0.494 623 890398, 0.751133908 021 ,0.31 525 0351709,-0 .22 626 4693965,-0. 129 766867567,0.097501605587, ... 0. 027 522 865530,-0.0315 820 39318,0.0005538 422 01, 0.00477 725 7511,-0.001077301085};static float c20 [21 ]={0.0,0. 026 670057901, 0.188176800078, 0. 527 2011889 32, 0.688459039454, 0 .28 11 723 43661,-0 .24 9846 424 327 ,-0.19594 627 4377, ... −u)4315 − 420 u + 126 u 2 −4u3315 − 420 v + 126 v 2 −4v31 /2 (13.10.14)whereu ≡ sin 2 ω 2 v ≡ sin 2 ω (13.10.15)It is beyond our scope to explain where equation (13.10.14) comes from. Aninformal...