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If cos^–1 (n/2π) > 2π/3 , then the minimum and maximum values, of integer n are respectively

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If cos–1 (n/2π) > 2π/3 , then the minimum and maximum values, of integer n are respectively

(A) – 6 and – 3 

(B) – 6 and – 4 

(C) 3 and 6 

(D) 4 and 6

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– 2π< n < – π

n = – 4, – 5, – 6 

⇒ – 6.28 < n < – 3.14 

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