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.