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0 votes
2.5k views
in Sets, relations and functions by (50.2k points)

Let m = (tan-1(1) + tan-1(2) + tan-1(3))/(cot-1(1) + cot-1(2) + cot-1(3))

Then find the value of (m - 1)2013.

1 Answer

+1 vote
by (54.5k points)
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Best answer

We have

tan-1(1) + tan-1(2) + tan-1(3) = π

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