Differentiate y = log[1+eˢⁱⁿˣ].

Options

• Option A

  eˢⁱⁿˣcos x/[1+eˢⁱⁿˣ]

• Option B

  log[1+eˢⁱⁿˣ]

• Option C

  -(eˢⁱⁿˣcos x/[1+eˢⁱⁿˣ])

• Option D

  0