Mathematics, 11.08.2021 23:30 phancharamachasm

Given that a, b, and c, the sides of a triangle, are such that a^2, b^2, and c^2, form an arithmetic sequence, show that cot A, cot B, and cot C also form an arithmetic sequence.

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Given that a, b, and c, the sides of a triangle, are such that a^2, b^2, and c^2, form an arithmetic...

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