Ex 2.2, 12 - Find: cot (tan-1 a + cot-1 a) - Chapter 2 Inverse - Formulae based

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Ex2.2, 12 Find the value of cot (tan-1 α + cot-1 α)  cot (tan-1 α + cot-1 α)   = cot (𝜋/2) = cot ((180°)/2) = cot (90°) = 0

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