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

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Ex 2.2, 12 - Chapter 2 Class 12 Inverse Trigonometric Functions - NCERT Find the value of cot (tan-1 α + cot-1 α)  cot (tan-1 𝛂 + cot-1 𝛂)  (As tan-1 x + cot-1 x = 𝜋/2)  = cot (𝝅/𝟐) = cot ((180°)/2) ( As cot 90° = 0 ) = cot (90°) = 0

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