Function: tan(numbers('rep') if numbers('xry') > numbers('ryy') if numbers('rep') > numbers('xry') else numbers('rrr') else numbers('ryy') if numbers('rep') if numbers('rrr') > numbers('ryy') else numbers('xry') > numbers('rep') else gradient[0](numbers('rep') if numbers('xry') > numbers('rrr') else numbers('ryy') if numbers('rep') > numbers('xry') else numbers('ryy')))