The Solution Of $y ^ { \prime \prime } + y = \tan x$

The solution of $y ^ { \prime \prime } + y = \tan x$ is

A) $y = c _ { 1 } \cos x + c _ { 2 } \sin x + \cos x \ln | \sec x + \tan x |$
B) $y = c _ { 1 } \cos x + c _ { 2 } \sin x - \cos x \ln | \sec x + \tan x |$
C) $y = c _ { 1 } \cos x + c _ { 2 } \sin x + \cos x \ln | \sec x |$
D) $y = c _ { 1 } \cos x + c _ { 2 } \sin x - \cos x \ln | \tan x |$
E) $y = c _ { 1 } \cos x + c _ { 2 } \sin x - \cos x \ln | \sec x - \tan x |$

Correct Answer:

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