the value of `int_(1/e->tanx) (tdt)/(1+t^2) + int_(1/e->cotx) (dt)/(t*(1+t^2)) =`

The value of int_(1//e)^(tanx)(t)/(1+t^(2))dt+int_(1//e)^(cotx)(1)/(t(1+t^(2)))dt , where x in (pi//6, pi//3 ), is equal to :

For all values of , int_(1//e)^(tanx) (t)/(1+t^(2))dt+int_(1//e)^(tanx) (dt)/(t(t+t^(2))) has the value

the value of int_((1)/(e)rarr tan x)(tdt)/(1+t^(2))+int_((1)/(e)rarr cot x)(dt)/(t*(1+t^(2)))=

[int_(1/e)^( tan x)(tdt)/(1+t^(2))+int_(1/e)^( cot x)(dt)/(t(1+t^(2)))" is "],[" equal to "]

Let f : R rarr R be defined as f(x) = int_(-1)^(e^(x)) (dt)/(1+t^(2)) + int_(1)^(e^(x))(dt)/(1+t^(2)) then

The value of int_((1)/(epsilon))^(tan x)(tdt)/(1+t^(2))+int_((1)/(epsilon))^(cot x)(dt)/(t(1+t^(2))), where x in((pi)/(6),(pi)/(3)), is equal to: (a)0(b) 2 (c) 1 (d) none of these

The value of int_(e^(-1))^(e) (dt)/(t(t+1)) is equal to