Function: tan(numbers("yxx") if numbers("yxx") if numbers('epe') > numbers("xxy") else numbers('rrr') > numbers('rrr') if numbers("xxy") if numbers('rrr') > numbers("yxx") else numbers('epe') > numbers('epe') else numbers("yxx") else numbers('epe') if numbers('rrr') > numbers("yxx") else numbers('epe') if numbers("yxx") > numbers('rrr') else numbers("xxy") if numbers('epe') if numbers("yxx") > numbers("xxy") else numbers('rrr') > numbers('epe') else numbers("yxx"))