Function: tan(invert(numbers("xyx") if numbers("per") > numbers("xyx") else numbers('xry')) if divide(invert(numbers("xyx") if numbers("xyx") > numbers('xry') else numbers("per")), numbers("xyx") if numbers("per") > numbers('xry') else numbers("xyx")) > numbers("xyx") if numbers("per") > numbers('xry') else numbers("xyx") else numbers("xyx"))
