Mark against the correct answer in each of the following:

Question:

Mark $(\sqrt{ })$ against the correct answer in each of the following:

$\int e^{x}(\tan x+\log \sec x) d x=?$

A. $e^{x} \log \sec x+C$

B. $e^{x} \tan x+C$

C. $e^{x}(\log \cos x)+C$

D. none of these

Solution:

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