Home›Browse›trigonometric number🌐EnglishEnglishEspañolPortuguêsTürkçeРусский中文EntityQ7841831· pop 9· linked from 79 articlestrigonometric numberSign in to saveirrational number produced by taking the sine or cosine of a rational multiple of a full circleAvailable in 9 languagesEspañol中文РусскийPortuguêsMacedonianRomanianTürkçeUkrainianvia Wikidata sitelinks · CC0