$$11$$

$${e^{x\,\sin {x^3}}}\left[ {\sin {x^3} + 3{x^3}\cos {x^3}} \right] + {\left( {\tan x} \right)^x}\left[ {{{2x} \over {\sin x}} + \log \,\tan x} \right]$$

$${{dy} \over {dx}} = \left\{ {\matrix{ {{5 \over 3}.{1 \over {{{\left( {1 - x} \right)}^2}}} - 2\,\sin \left( {4x + 2} \right),} & {x < 1} \cr { - {5 \over 3}.{1 \over {{{\left( {x - 1} \right)}^2}}} - 2\,\sin \left( {4x + 2} \right),} & {x > 1} \cr } } \right.$$

$${ - {2 \over 9}}$$