What is \(\smallint {{\rm{e}}^{\sin {\rm{x}}}}\left( {\frac{{{\rm{x}}{{\cos }^3}{\rm{x}} - \sin {\rm{x}}}}{{{{\cos }^2}{\rm{x}}}}} \right){\rm{dx}}\) equal to?

1
(x + sec x)esin x + c
2
(x – sec x)esin x + c
3
(x + tan x)esin x + c
4
(x – tan x)esin x + c

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