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