Question Number 148856 by gsk2684 last updated on 31/Jul/21

pls solve

Commented bygsk2684 last updated on 31/Jul/21

Commented byKamel last updated on 31/Jul/21

I_1 =∫_0 ^(π/2) ((xdx)/(sin(x)))=^(t=tan((x/2))) 2∫_0 ^1 ((Arctan(t))/t)dt=2I_2 ∴ (I_1 /I_2 )=2.

Commented bygsk2684 last updated on 01/Aug/21

thank you