Question Detail
Question
Obtain the integral ∫ sec x dx.
Correct Answer
Option B is the correct answer.
Detailed Explanation
This is a standard integral in calculus. The integral of sec x dx is ln|sec x + tan x| + C.
Hint
This is a fundamental integral result that is often memorized. If you don't recall it, try multiplying the integrand by (sec x + tan x) / (sec x + tan x) and use substitution.