释义 |
co·tan·gent AHD[kō-tănʹjənt] D.J.[kəʊˈtændʒənt]K.K.[koˈtændʒənt]n.Abbr. cot, ctnMathematics (名词)缩写 cot, ctn【数学】 cot θ= b/a Clarinda/Academy Artworks- The reciprocal of the tangent of an angle in a right triangle.余切:直角三角形中角的正切的倒数
- The tangent of the complement of a directed angle or arc.余切:有方向角或弧的补角的正切
co'tangenʹtial AHD[-jĕnʹshəl] (形容词) |