tangent
「tangent」的意思
n. 切线，切面；正切; adj. 切线的，相切的；接触的；离题的; n. （Tangent）（美、...
adj.接触的,切线的,相切的,离题的n.切线,[数]正切
「tangent」的用法
tangent切线，与某点相切的直线 - 数学、几何学
「tangent」的例句
The tangent line to the curve at point A is horizontal.
曲线在点A处的切线是水平的。
The tangent of 45 degrees is 1.
45度的正切值是1。
The tangent of an angle in a right triangle is the ratio of the opposite side to the adjacent side.
直角三角形中一个角的正切值是其对边与邻边的比值。
The tangent function is periodic with a period of π.
正切函数的周期为π。
The tangent line at x=0 for y=x^2 is y=x.
y=x^2在x=0处的切线是y=x。
The tangent of an angle in standard position is the ratio of the sine to the cosine of that angle.
标准位置下一个角的正切值是该角正弦值与余弦值的比值。
The tangent line to a curve at a point can be used to approximate the curve near that point.
曲线在某点处的切线可以用来近似该点附近的曲线。
The tangent function can be used to find the slope of a curve at any point.
正切函数可以用来求解曲线上任意一点的斜率。
The tangent line to a circle at a point on the circle is perpendicular to the radius at that point.
圆上一点处的切线与该点处的半径垂直。
The tangent function is an odd function, meaning that tan(-x) = -tan(x).
正切函数是一个奇函数，即tan(-x) = -tan(x)。