Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Mathematics
cos-1( cos x)=x is satisfied by
Q.
cos
−
1
(
cos
x
)
=
x
is satisfied by
2696
219
Inverse Trigonometric Functions
Report Error
A
x
∈
R
0%
B
x
∈
[
0
,
π
]
50%
C
x
∈
[
−
1
,
1
]
33%
D
none of these
17%
Solution:
co
s
−
1
(
cos
x
)
=
x
if
0
≤
x
≤
π
i.e.,
if
x
∈
[
0
,
π
]