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If x ∈ (π, 2π) and √1+cosx+√1−cosx√1+cosx−√1−cosx =cot(a+x2), then a is equal to |
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Answer» If x ∈ (π, 2π) and √1+cosx+√1−cosx√1+cosx−√1−cosx =cot(a+x2), then a is equal to |
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