Question: a, b, c are sides and A, B, C are angles of triangle ABC.. 2 Find: The value of b cos = + c

a, b, c are sides and A, B, C are angles of

a, b, c are sides and A, B, C are angles of triangle ABC.. 2 Find: The value of b cos = + c cos B in terms of k, where k is perimeter of triangle ABC.

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