– a) 1110 = 360 x 3 + 30 sen (1110) = sen (30) = cos (1110) = cos (30) = tan (1110) = tan (30) = – b) 585 = 360 + 225 sen (585) = sen (225) = - sen (45) = cos (585) = cos (225) = - cos (45) = tan (585) = tan (225) = tan (45) = 1 – c) 270 sen (270) = -1 cos (270) = 0 tan (...)