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If cos α = (2cos β - 1)/(2 - cos β) (0 < α <π, 0 < β < π), then tan α/2 cot β/2 is equal to

(A)  1

(B)  √2

(C)  √3

(D) None of these

1 Answer

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Best answer

Correct option (C) √3

Given cos α = 2 cos β - 1/2 - cos β.so

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