Integrals Involving Logarithmic Functions

11. Integrals of Inverse, Exponential, & Logarithmic Functions / Integrals Involving Logarithmic Functions / 문제 2

문제 2

Evaluate the integral \( \int \sec x \, dx \) using strategic multiplication.

\( \sec x \tan x + C \)

\( \tan x + C \)

\( \ln |\sec x| + C \)

\( \ln |\sec x + \tan x| + C \)