Evaluate $\int \cos ( \ln x ) d x$ A) $\sin ( \ln x ) + C$

question 151

Multiple Choice

Evaluate $\int \cos ( \ln x ) d x$

• A) \(\sin ( \ln x ) + C\)
• B) \(\frac { x ^ { 2 } } { 2 } [ \cos ( \ln x ) + \sin ( \ln x ) ] + C\)
• C) \(\cos \left( \frac { 1 } { x } \right) + C\)
• D) \(\frac { x } { 4 } [ \cos ( \ln x ) + \sin ( \ln x ) ] + C\)
• E) \(\frac { \sin x } { x } + C\)
• F) \(x [ \cos ( \ln x ) + \sin ( \ln x ) ] + C\)
• G) \(- \sin \left( \frac { 1 } { x } \right) + C\)
• H) \(\frac { x } { 2 } [ \cos ( \ln x ) + \sin ( \ln x ) ] + C\)