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Problem
Problem
Find the value of
cos
[
cos
−
1
(
−
3
2
)
+
π
6
]
\cos \left[ \cos^{-1} \left( \frac{-\sqrt{3}}{2} \right) + \frac{\pi}{6} \right]
cos
[
cos
−
1
(
2
−
3
)
+
6
π
]
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