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In DeltaABC, prove that: (c-bcosA)/(b-...

In `DeltaABC`, prove that:
`(c-bcosA)/(b-c (cosA))=(cosB)/(cosC)`

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To prove the equation \[ \frac{c - b \cos A}{b - c \cos A} = \frac{\cos B}{\cos C} \] in triangle \( \Delta ABC \), we will start with the left-hand side (LHS) and manipulate it to show that it equals the right-hand side (RHS). ...
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