Function: cos(numbers("xxy") if numbers("xxx") > numbers('epe') else numbers('yxy') if numbers('epe') > numbers("xxx") if numbers("xxy") > numbers("xxy") if numbers('yxy') > numbers('epe') else numbers("xxx") else numbers('epe') else numbers("xxx") if numbers("xxy") if numbers('epe') > numbers('epe') if numbers("xxy") > numbers("xxx") else numbers('yxy') else numbers("xxx") > numbers('epe') if numbers('yxy') > numbers("xxx") else numbers("xxy") else numbers('epe'))