tangent
noun
Definitions of tangent noun
geometry(幾何)
- Countable(可數名詞)mathematics(數學)
A straight line that touches a curve at a single point without intersecting it.
切線
Draw a circle, then draw a straight line that is tangent to the circle.
畫一個圓，然後畫一條與圓相切的直線。
The tangent line helps us understand the slope of the curve at a particular point.
切線幫助我們了解曲線在特定點的斜率。
In geometry, the tangent is a crucial concept often used in calculations and graphing.
在幾何學中，切線是一個在計算和繪圖中經常使用的關鍵概念。
mathematics(數學)
- Countable(可數名詞)mathematics(數學)written abbreviation(書面縮寫)
In a right triangle, the ratio of the length of the side opposite an angle less than 90 degrees to the length of the adjacent side (shorter of the two sides next to the angle).
正切
In a right triangle, if the tangent of an angle is 1, then the opposite and adjacent sides are equal in length.
在直角三角形中，如果一個角的正切值為 1，那麼它的對邊和鄰邊長度相等。
In trigonometry, the tangent function is used to calculate the relationship between angles and side lengths.
在三角學中，正切函數用於計算角度和邊長之間的關係。
Calculating the tangent of an angle can help us find other side lengths in a triangle.
計算一個角的正切值可以幫助我們找到三角形中其他邊的長度。
Idioms
- go off on a tangent
To abruptly shift to a different topic of conversation or thought.
話題一轉
• During the meeting, he went off on a tangent about his weekend fishing trip.
在會議中，他突然開始談論他週末的釣魚之旅。