indefinite-integration

Question: $\int_{{}}^{{}}{\frac{\cos 2x+2{{\sin }^{2}}x}{{{\cos }^{2}}x}dx=}$

1) $2\sec x+c$

2) $2\tan x+c$

3) $\tan x+c$

4) None of these

Solution:

Explanation: No Explanation

Fundamental integration

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