Let f(x) = {((tan x - cot x)/(x-pi/4), "...

Let `f(x) = {((tan x - cot x)/(x-pi/4), ",", x != pi/4),(a, ",", x = pi/4):}` The value of a so that f(x) is continuous at `x = (pi)/4`, is

A

(a) 2

B

(b) 4

C

(c) 3

D

(d) 1

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The correct Answer is:

B

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