英语词汇“tangent”的读音、翻译、释义、用法及例句-出国留学网

/ˈtændʒənt ||; ˈtændʒənt/noun[C]

1 a straight line that touches a curve but does not cross it 切线 ☞picture at circle 见circle插图

2 (mathematics数学) (abbr tan) the RATIO of the length of the side opposite an angle in a RIGHT-ANGLED triangle (= a triangle with one angle of 90°) to the length of the side next to it 正切（三角函数之一，指直角三角形某锐角的对边与其邻边之比） ☞Compare cosine and sine. 与cosine及sine比较。

go off at a tangent (US 美) ;go off on a tangent to suddenly start saying or doing sth that seems to have no connection with what has gone before 突然改变话题或行动

词汇	tangent
释义	tangent /ˈtændʒənt \|\|; ˈtændʒənt/noun[C] 1 a straight line that touches a curve but does not cross it 切线 ☞picture at circle 见circle插图 2 (mathematics数学) (abbr tan) the RATIO of the length of the side opposite an angle in a RIGHT-ANGLED triangle (= a triangle with one angle of 90°) to the length of the side next to it 正切（三角函数之一，指直角三角形某锐角的对边与其邻边之比） ☞Compare cosine and sine. 与cosine及sine比较。 go off at a tangent (US 美) ;go off on a tangent to suddenly start saying or doing sth that seems to have no connection with what has gone before 突然改变话题或行动
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