# Tingling trigons

Geometry Level pending

In a triangle $$ABC$$, $$\angle A = 75^\circ, \angle B = 60^\circ , \angle C = 45^\circ$$. Also $$CF$$ and $$AD$$ are the altitudes from $$C$$ and $$A$$ respectively. If $$H$$ is the orthocenter and $$O$$ is the circumcenter, find $$\angle HCA$$.

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