Function: square(divide(invert(cos(numbers("xxx") if numbers('yxy') if numbers("xxr") > numbers("xyx") else numbers("xxx") > numbers('yxy') else numbers("xxx") if numbers("xyx") > numbers("xxr") if numbers("xxx") > numbers("xyx") else numbers('yxy') else numbers('yxy'))), cos(numbers('yxy') if numbers("xxx") > numbers("xxx") if numbers('yxy') > numbers("xyx") else numbers("xxr") else numbers('yxy') if numbers("xyx") > numbers('yxy') if numbers("xxx") > numbers("xxr") else numbers("xyx") else numbers("xxx"))))