engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Mathematics Integral Calculus Indefinite Integrals
Evaluate ∫ (sec x tan x) dx
1
\(\rm \sec x +C\)
2
\(\rm \text{cosec x}+C\)
3
\(\rm -\ln |\cos x|+C\)
4
\(\rm\ln \left|\tan x-\sec x\right|+C\)