Từ điển trực tuyến - Online Dictionary

English - Vietnamese Dictionary
cosine /'kousain/
  • danh từ
    • (toán học) cosin
Advanced English Dictionary
+ noun
(abbreviation cos) (mathematics) the RATIO of the length of the side next to an ACUTE ANGLE in a RIGHT-ANGLED triangle to the length of the longest side (= the HYPOTENUSE)

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