Function: tan(divide(minus(minus(numbers('ryy'), numbers("xxx")), numbers('ryy')), minus(numbers('ryy'), numbers("xxx"))) if minus(minus(numbers('ryy'), numbers("xxx")), numbers('ryy')) > minus(numbers('ryy'), numbers("xxx")) else minus(numbers('ryy'), numbers("xxx")) if numbers('ryy') > minus(minus(numbers('ryy'), numbers("xxx")), numbers('ryy')) else divide(minus(minus(numbers('ryy'), numbers("xxx")), numbers('ryy')), minus(numbers('ryy'), numbers("xxx"))))
