Integral(tan x-sec x)2 dx

Integral Fungsi Trigonometri.

∫ (tan x - sec x)² dx
= ∫ (tan² x - 2 tan x sec x + sec² x) dx
= ∫ [(sec² x - 1) - 2 tan x sec x + sec² x] dx
= tan x - x - 2 sec x + tan x + C
= 2 (tan x - sec x) - x + C