Published by:
CGP EDU Academic Team
Published on: August 12, 2026
If 
< x < 1 then cos –1 x+cos –1 
is equal to -
A
2 cos –1 x – 
B
2 cos–1x
C
D
0
Text Solution
Verified by ExpertsThe correct answer is:
C
Here, the expression could be written as
⇒ cos –1 x +cos –1 
⇒ cos –1 x + cos –1 
– cos –1 x
⇒ cos –1 
= 
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