| Construct the tangents passing through an arbitrary point to an ellipse/hyperbola. | |
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| Construct the tangents passing through an arbitrary point to an ellipse/hyperbola. | |
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| Construct an animation of a rectangle whose sides are tangent to a given ellipse/hyperbola. | |
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| Construct an animation displaying all pairs of orthogonal tangents to a given parabola. |
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| Construct an animation displaying a pair of orthogonal tangents of a fixed cardioid. |
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| Construct an animation displaying a cardioid sliding along two fixed mutually perpendicular lines. |
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| Construct an animation of three concurrent tangents of the nephroid. |
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| Construct an animation displaying a cardioid sliding along three fixed concurrent lines meeting at 120 degrees. |
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| Construct an animation of two mutually perpendicular tangents of the deltoid. |
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| Construct an animation of the deltoid sliding on two mutually perpendicular lines. |
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| Construct an animation of three concurrent tangents of the astroid. |
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| Construct an animation displaying an astroid sliding along three fixed concurrent lines meeting at 120 degrees. |
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Construct the rose curve of four petals given in polar coordinates by r = cos 2t and its tangent. |
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Construct the rose curve of three petals given in polar coordinates by r = cos 3t and its tangent. |
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Consider the Bowditch curve given by the parametric equations x =
cos 3t
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| Construct the ellipse from its tangent. |
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