tangents

Construct two mutually orthogonal tangents of the deltoid. Where do they meet?

三角星形线的两条互相垂直的法线的交点在哪里?

Construct an animation displaying a pair of orthogonal tangents of a fixed cardioid.

建构一动态绘图.展示给定的心脏线外一对的正交切线.

With a bit more effort, techies could also compute ratios, inverses , sines, cosines and tangents.

如果再多花点功夫, 这些科技高手还能算出比例 、 数 、 弦、弦和正切等值.

A point at which a curve crossesat which the two tangents to the curve coincide.

曲线上的一点,切线斜率在这点左边为负,在这点右边为正.

Construct an animation displaying all pairs of orthogonal tangents to a given parabola.

建构一动态绘图.展示给定的抛物线外所有成对的正交切线.

Figure 13 . Tangents and Normals changed on a skinned model.

图 十三 在蒙皮的模型上切线与法向是变动的.

To edit the tangents for the keys in the Graph Editor.

在图形编辑器中编辑帧的正切线.

Draw two tangents to the two branches of the curve.

画出该曲线两个分支的两条切线.

In the Graph Editor menu, select Keys > Break Tangents.

在图形编辑器菜单中, 选择Keys>BreakTangents[切断正切线].

Construct an animation of three concurrent tangents of the astroid.

建构一动态绘图:展示星状线共点的三切线.

As you do, let your imagination go off on tangents.

当你这样做的时候, 让你的想象力从交点上游离开来.

To correct this, you need to modify the tangents for the keys in the Graph Editor.

正确的做法, 你需要在图形编辑器中为帧修改正切.