Function: invert(cos(numbers("yxx") if numbers("xxx") > numbers('xry') else numbers('ryy') if numbers('xry') > product(numbers("yxx") if numbers('xry') > numbers('ryy') else numbers("xxx"), numbers('xry')) else minus(product(numbers("xxx") if numbers('ryy') > numbers("yxx") else numbers('xry'), numbers('xry')), numbers("yxx") if numbers('xry') > numbers("xxx") else numbers('ryy'))))
