Published by:
CGP EDU Academic Team
Published on: August 12, 2026
If tan –1 x + 2 cot –1 x = 
, then x =
A
B
3
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
The given equation may be written as
tan –1 x + cot –1 x + cot –1 x = 2 π /3
⇒ cot –1 x =2 π /3 – π /2 = π /6
⇒ 
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