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If α ≤ tan^-1x + cot^-1x + sin^-1x ≤ β ∀ x ∈ (0, 1), then

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If α ≤ tan-1x + cot-1x + sin-1x ≤ β ∀ x ∈ (0, 1), then

(A) α = 0, β

(B) α = 0, β = π

(C) α = -1, β = π

(D) α = π/2, β = π

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Best answer

Correct option (B) α = 0, β = π

Explanation:

 

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