1.

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

Answer»

If x ∈ (π, 2π) and 1+cosx+1cosx1+cosx1cosx =cot(a+x2), then a is equal to




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