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Jyutping zing3 cit3
Pinyin zhèng qiē

Definitions (CC-CEDICT)
  1. (math.) tangent (trigonometric function)
Definitions (Wiktionary)
  1. noun
    tangent
Examples (Wiktionary)
  1. Mandarin
    正切
    正切
    zhèng qiē
    • tangent