In \( \triangle A B C \), if \( b(b+c)=a^{2} \) and \( c(c+a)=b^{2}...
In \( \triangle A B C \), if \( b(b+c)=a^{2} \) and \( c(c+a)=b^{2} \), then
\( \mathrm{P} \) \( |\cos A \cdot \cos B \cdot \cos C| \) is
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