Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
Ex 2.2
Ex 2.2, 2 Important
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Ex 2.2, 13 (MCQ) Important
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Question 1 Deleted for CBSE Board 2024 Exams
Question 2 Important Deleted for CBSE Board 2024 Exams
Question 3 Deleted for CBSE Board 2024 Exams
Question 4 Important Deleted for CBSE Board 2024 Exams You are here
Question 5 Important Deleted for CBSE Board 2024 Exams
Question 6 Important Deleted for CBSE Board 2024 Exams
Last updated at May 29, 2023 by Teachoo
Question 4 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 (As tan−1 x + cot−1 x = 𝜋/2)