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Let f(x) = g( cot x - 2cot 2x); g(x) is inverse of tan x. Then sum(f(r))= a-b , 1=< r

Answer» Let f(x) = g( cot x - 2cot 2x); g(x) is inverse of tan x. Then sum(f(r))= a-b , 1=< r <=5, and a,b N . what is (a +b)? sum( ) is the summation function.


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