Maharashtra State BoardHSC Arts 12th Board Exam
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Evaluate cot(tan−1(2x) + cot−1(2x)) - Mathematics and Statistics

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Sum

Evaluate cot(tan−1(2x) + cot−1(2x))

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Solution

cot(tan−1(2x) + cot−1(2x)) = `cot (pi/2)`

= 0      .......`[∵ tan^-1x + cot^-1 x = pi/2]`

Concept: Inverse Trigonometric Functions
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