indefinite-integration

Question: $\int_{{}}^{{}}{{{e}^{x}}(1+\tan x)\sec x\ dx=}$

1) ${{e}^{x}}\cot x$

2) ${{e}^{x}}\tan x$

3) ${{e}^{x}}\sec x$

4) ${{e}^{x}}\cos x$

Solution:

Explanation: No Explanation

Integration by parts

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