Q. 6 B5.0( 1 Vote )

Evaluate each of the following:


Answer :

cot can be written as cot


we know cot(π +θ ) = cot(θ)


cot = cot


Now the question becomes cot–1(cot)


cot–1(cot x) = x


Provided x ϵ (0,π)


cot–1(cot) = .


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