The set of values of \( x \) in \( (-\pi, \pi) \) satisfying the inequation \( |4 \sin x-1|\sqrt...
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The set of values of \( x \) in \( (-\pi, \pi) \) satisfying the inequation \( |4 \sin x-1|\sqrt{5} \), is
(A) \( (-\pi / 10,3 \pi / 10) \)
(B) \( (-\pi / 10, \pi) \)
(C) \( (-\pi, \pi) \)
(D) \( (-\pi, 3 \pi / 10) \)
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