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Let
be a triangle with incenter
and circumcircle
. Circles
passing through
and
passing through
are tangent at
. Let
meet minor arc
of
at
and
at
, and let
meet minor arc
of
at
and
at
. Rays
and
meet at
. Let
be a point such that
is tangent to
and
is tangent to
.
Show that
are collinear.




























Show that

This post has been edited 1 time. Last edited by Eyed, Jul 20, 2021, 9:59 PM