Evaluate $\int \frac{\cos (\ln x)}{x} d x$
A) $-\sin (\ln x)+C$

Multiple Choice

Evaluate $\int \frac{\cos (\ln x) }{x} d x$ .

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