# Mathematical Enigma - IX

Geometry Level 4

$\sum _{ \text{cyclic} }^{ }{ \frac { \sqrt { \sin A } }{ \sqrt { \sin B } -\sqrt { \sin C } +\sqrt { \sin A } } }$

Considering $$A,B,C$$ as the angles of a triangle, find the maximum value of the expression above.

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