conics tangents to a circle, from an exterior point tangents common to two equal circles tangents common to two different circles interior tangents common to two different circles ellipse, given its axes #01 ellipse, given its axes #02 tangent and normal to the ellipse foci of a given ellipse tangents to an ellipse, from an exterior point tangent to an ellipse, given its direction Share this:TwitterFacebookLike this:Like Loading...