Function: invert(tan(numbers("xxy") if numbers('ryy') > numbers('xry') else numbers('yxy') if numbers('xry') > minus(product(numbers("xxy") if numbers('xry') > numbers('ryy') else numbers('yxy'), numbers('xry')), numbers('xry') if numbers('yxy') > numbers("xxy") else numbers('ryy')) else product(numbers("xxy") if numbers('ryy') > numbers('yxy') else numbers('xry'), numbers('xry'))))
