"arco tangente" meaning in Portuguese

{
  "forms": [
    {
      "form": "arco tangentes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "+last"
      },
      "expansion": "arco tangente f (plural arco tangentes)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese nouns with irregular gender",
          "parents": [
            "Nouns with irregular gender",
            "Irregular nouns",
            "Nouns by inflection type",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "pt",
          "name": "Trigonometry",
          "orig": "pt:Trigonometry",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "arctangent (inverse of tangent function)"
      ],
      "id": "en-arco_tangente-pt-noun-RaPfL3mm",
      "links": [
        [
          "trigonometry",
          "trigonometry"
        ],
        [
          "arctangent",
          "arctangent"
        ]
      ],
      "raw_glosses": [
        "(trigonometry) arctangent (inverse of tangent function)"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "mathematics",
        "sciences",
        "trigonometry"
      ]
    }
  ],
  "word": "arco tangente"
}

{
  "forms": [
    {
      "form": "arco tangentes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "+last"
      },
      "expansion": "arco tangente f (plural arco tangentes)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Portuguese countable nouns",
        "Portuguese entries with incorrect language header",
        "Portuguese feminine nouns",
        "Portuguese lemmas",
        "Portuguese multiword terms",
        "Portuguese nouns",
        "Portuguese nouns with irregular gender",
        "pt:Trigonometry"
      ],
      "glosses": [
        "arctangent (inverse of tangent function)"
      ],
      "links": [
        [
          "trigonometry",
          "trigonometry"
        ],
        [
          "arctangent",
          "arctangent"
        ]
      ],
      "raw_glosses": [
        "(trigonometry) arctangent (inverse of tangent function)"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "mathematics",
        "sciences",
        "trigonometry"
      ]
    }
  ],
  "word": "arco tangente"
}