正切的英文翻译

正切的英文翻译

　　正切的英文：

　　secant

　　tangent

　　参考例句：

　　The tangent may be used to find the direction

　　这方向也可用正切求得。The tangent is a relatively important concept in trigonometry.

　　"正切"是三角学中的一个相对重要的概念。 secant是什么意思：

　　a. 割的,切的,交叉的

　　n. 割线,正切

　　The secant of the complement of a directed angle or arc.

　　余割有向角的余角或弧的'余割A secant is defined as line passing through two points of the curve.

　　割线的定义是一条通过曲线上两点的直线。tangent是什么意思：

　　n. 正切；直线区间；突兀的转向；突然转移话题

　　The direction is tangent to the trajectory.

　　方向就是轨道的切线方向。The tangent is a relatively important concept in trigonometry.

　　The graph of a concave function is always below its tangent.

　　一个凹函数的图象总在它的切线的下方。Arrowheads on the lines indicate the direction in which the tangent is to be drawn

　　电力线上的箭头表示所要画的切线方向。Don't fly off at a tangent, we are talking about the money problem.

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