$\int {{e^x}[\tan x - \log (\cos x)]\,dx = }$

  • A
    ${e^x}\log (\sec x) + c$
  • B
    ${e^x}\log (\csc x) + c$
  • C
    ${e^x}\log (\cos x) + c$
  • D
    ${e^x}\log (\sin x) + c$

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