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UPSC NDA 2 2022 Mathematics Solved Paper
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© examsnet.com
Question : 49
Total: 120
What is
tan
−
1
cot
(
c
o
s
e
c
−
1
2
)
equal to ?
[NDA II 2022]
π
8
π
6
π
4
π
3
Validate
Solution:
👈: Video Solution
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