Function: cos(exp(numbers("per") if numbers("per") if numbers('xry') > numbers("xxr") else numbers("xyx") > numbers("xxr") else numbers('xry') if numbers("xxr") > numbers("per") else numbers("xyx") if numbers('xry') > numbers("per") else numbers("xxr"), numbers("per") if numbers('xry') > numbers("xxr") else numbers("xyx") if numbers('xry') > numbers("xxr") else numbers("per")))