Published by:
CGP EDU Academic Team
Published on: August 14, 2026
If the sum of the acute angles tan –1 x and tan –1 
is 45 0 , then value of x is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
We have, tan –1 x + tan –1 
= 45 0 ⇒ tan
–1 x = 45 0 – tan –1 
⇒ tan –1 x = tan –1 (1) – tan –1 
⇒ tan –1 x = tan –1 
= tan –1 
⇒ x = 
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