EQUAÇÃO GRACELI COM FATORIAL E ZETA. / [PK] + [ -COS] An / [PK] [-pk] / / [PK] [n] = [ -COS] A / [PK] + B An / [PK] [-pk] / / [PK] [n] + / [PK] /2 = EQUAÇÃO GRACELI COM FATORIAL E ZETA. COS B / [PK] + An / [PK] [-pk] / / [PK] [n] + SEN B [/] / [PK] + An / [PK] [-pk] / / [PK] [n] = COS B A / [PK] + B An /...