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(tdt)/(1+t^2)+int_(1/e)^cotxdt/(t(1+t^2) is

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 "]

If I_(1)=int_(1//e)^(tanx)(t)/(1+t^(2))dtandI_(2)=int_(1//e)^(cotx)(dt)/(t(1+t^(2))) then the values of I_(1)+I_(2) is