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Mathematics
Problem
## EXERCISE 2.2 Find the values of each of the following: 8.
tan
−
1
[
2
cos
(
2
sin
−
1
1
2
)
]
\tan ^{-1}\left[2 \cos \left(2 \sin ^{-1} \frac{1}{2}\right)\right]
tan
−
1
[
2
cos
(
2
sin
−
1
2
1
)
]
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