Pi 2 tan 1 x July 8, 2019 16 32 64 128 Pi 2 tan 1 x formula Int _( 0 pi 2 log 1 tan x dx 0 to pi 2 dx 1 tan x Tan x pi 2 )- 1 0 Integration 0 to pi 2 1 1 tan x Cho tan x pi 2 )- 1 0 Tan pi 2 x tanx 1 Lim x tends to infinity pi 2 tan 1x 1 x Lim x tends to pi 2 1 tan x 2 Tan pi 4 1 2 cos 1 x
