Function: mean(sin(invert(numbers('xyy'))) if invert(numbers('xyy')) > minus(sin(invert(numbers('xyy'))), invert(numbers('xyy'))) else numbers('xyy') if invert(numbers('xyy')) > minus(sin(invert(numbers('xyy'))), invert(numbers('xyy'))) else sin(invert(numbers('xyy'))), minus(sin(invert(numbers('xyy'))), invert(numbers('xyy'))) if invert(numbers('xyy')) > sin(invert(numbers('xyy'))) else numbers('xyy'))