If
\[
f(x)=\left(\log x\right)^{\sin x},\qquad x>e,
\]
then \(f'(\pi)=\)
Show Hint
For functions of the form
\[
y=u(x)^{v(x)},
\]
use logarithmic differentiation:
\[
\boxed{\ln y=v\ln u.}
\]
Then differentiate implicitly and finally multiply by \(y\).