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komşu kenarına bölünmesiyle bulunur [```2```](https://www.hurriyet.com.tr/egitim/tan-30-45-60-90-180-degerleri-kactir-42007531)[```4```](https://www.sabah.com.tr/egitim/tanjant-nedir-tanjant-formulleri-nedir-1-tan-neye-esit-ve-nasil-bulunur-e1-6376278). \n\nAyrıca, açının sinüs değerinin kosinüs değerine bölünmesiyle de tanjant değeri elde edilebilir [```4```](https://www.sabah.com.tr/egitim/tanjant-nedir-tanjant-formulleri-nedir-1-tan-neye-esit-ve-nasil-bulunur-e1-6376278). \n\n**Bazı tanjant değerleri**:\n* **Tan 30**: √3/3 [```2```](https://www.hurriyet.com.tr/egitim/tan-30-45-60-90-180-degerleri-kactir-42007531).\n* **Tan 45**: 1 [```2```](https://www.hurriyet.com.tr/egitim/tan-30-45-60-90-180-degerleri-kactir-42007531)[```4```](https://www.sabah.com.tr/egitim/tanjant-nedir-tanjant-formulleri-nedir-1-tan-neye-esit-ve-nasil-bulunur-e1-6376278).\n* **Tan 60**: √3 [```2```](https://www.hurriyet.com.tr/egitim/tan-30-45-60-90-180-degerleri-kactir-42007531).\n* **Tan 90**: Tanımsız 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