Question

$\int_{}^{}e^{x}$ (tanx – log(cos x)) dx =

• A. e^x log (sec x) + c
• B. e^x log (cosec x) + c
• C. e^x log (cos x) + c
• D. e^x log (sin x) + c

Answer 1

Answer: (A)

e^x log (sec x) + c

Answer 2

Use(f(x) + f '(x)) dx = e^x . f(x) + c