切线英文解释翻译、切线的近义词、反义词、例句

关键字：

英语翻译：

tangent
【机】 tangent

分词翻译：

切的英语翻译：

anxious; be sure to; chip; chop; correspond to; cut; eager; knife; log; shear
shive; slice
【医】 cutting; incise

线的英语翻译：

clue; line; string; stringy; thread; tie; verge; wire
【医】 line; line Of occlusion; linea; lineae; lineae poplitea; mito-; nemato-
soleal line; strand; thread
【经】 line

网络扩展解释

切线（qiē xiàn）

切线是与圆或曲线在某一点上相切的直线，它是该点处曲线的局部近似线性。切线常被用来求导、构建切平面等。

Tangent

The tangent is a straight line that touches a curve or circle at a single point. It is a local approximation of the curve or circle at that point. The tangent is often used in calculus to find derivatives and construct tangent planes.

The pronunciation of "tangent" is /ˈtændʒənt/.

Usage

In mathematics, the tangent is a fundamental concept in calculus and geometry. It is used to find the slope of a curve at a single point and to determine the equation of a tangent line. The tangent is also used in trigonometry to find the ratio of two sides of a right triangle.

Example Sentences

• At the point of tangency, the tangent is perpendicular to the radius of the circle.
• The tangent to the curve at the point (2,4) is y = 3x - 2.
• The tangent of 45 degrees is equal to 1.

Synonyms

• Secant - A line that intersects a curve at two or more points.
• Gradient - The slope of a line or the rate of change of a function.
• Slope - The steepness of a line or a surface.

Antonyms

• Normal - A line that is perpendicular to a curve or surface at a given point.
• Curved - Not straight.
• Concave - Curving inward.

The word "tangent" has a high frequency of use in mathematics and is less common in everyday language.

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