Points: belong to the circle . Find the set of the incentres of all triangles where .

I assume the set is an ellipse (excluding the points A and B). If so, how can I prove that and is it ever possible to find its equation?

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- Apr 12th 2009, 04:58 AM #1

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- Apr 12th 2009, 10:12 AM #2

- Apr 12th 2009, 12:23 PM #3

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