The Integral $\int \cos ( \ln x ) d x$ Is

A)

Multiple Choice

The integral $\int \cos ( \ln x ) d x$ is

A) $\frac { x [ \sin ( \ln x ) + \cos ( \ln x ) ] } { 2 } + C$
B) $\frac { x [ \sin ( \ln x ) - \cos ( \ln x ) ] } { 2 } + C$
C) $\frac { x [ - \sin ( \ln x ) + \cos ( \ln x ) ] } { 2 } + C$
D) $\frac { x [ - \sin ( \ln x ) - \cos ( \ln x ) ] } { 2 } + C$
E) $\frac { x ^ { 2 } [ \sin ( \ln x ) + \cos ( \ln x ) ] } { 2 } + C$