Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Mathematics
cot-1 ( cot (5π/6))=
Q.
cot
−
1
(
cot
6
5
π
)
=
2135
232
Inverse Trigonometric Functions
Report Error
A
6
5
π
56%
B
6
3
π
11%
C
−
6
π
33%
D
6
π
0%
Solution:
cot
−
1
(
cot
6
5
π
)
=
6
5
π
(
∵
6
5
π
∈
(
0
,
π
)
)