question: cosinus of a degree value . concode_field_sep Season currentSeason concode_elem_sep int currentYear concode_field_sep Calendar calcEquiSol concode_elem_sep SeasonName getCurrentSeasonNameNorthern concode_elem_sep Season getSeason concode_elem_sep SeasonName getCurrentSeasonNameSouthern concode_elem_sep double periodic24 concode_elem_sep double calcInitial
target: double function ( double arg0 ) { return Math . cos ( arg0 * Math . PI / 180 ) ; }