Function: tan(minus(numbers("yxx") if numbers('ryy') > numbers("per") else numbers('rrr') if numbers("per") if numbers("yxx") > numbers('ryy') if numbers("per") > numbers('rrr') else numbers("yxx") else numbers('rrr') > numbers("per") else gradient[0](numbers("yxx") if numbers("per") > numbers('ryy') if numbers('rrr') > numbers("per") else numbers("yxx") else numbers('rrr')), gradient[0](numbers('ryy') if numbers('rrr') > numbers("yxx") else numbers("per") if numbers('rrr') > numbers("per") else numbers("yxx"))))
