Q. 6 C5.0( 2 Votes )

Evaluate each of the following:


Answer :

The value of cot is 1.


The question becomes cot–1(1).


Let cot–1(1) = y


cot y = 1


= cot = 1


The range of principal value of cot–1is (0, π)


and cot = 1


The value of cot–1(cot) is .


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