Question
In triangle ABC, if $ \frac{\cos A}{a} = \frac{\cos B}{b} = \frac{\cos C}{c} $ and $ a = 2 $, then its area is ______
In triangle ABC, if $ \frac{\cos A}{a} = \frac{\cos B}{b} = \frac{\cos C}{c} $ and $ a = 2 $, then its area is ______