Don't know the steps in finding this derivative.
But the derivative is
Now simplify:
The answer is:
/ sin(x)\ / sin(x) \
\E / |e sin(x) |
x *|------- + cos(x)*e *log(x)|
\ x /
/ sin(x)\ / 2 \
\e / | 1 /1 \ sin(x) 2 2*cos(x)| sin(x)
x *|- -- + |- + cos(x)*log(x)| *e + cos (x)*log(x) - log(x)*sin(x) + --------|*e
| 2 \x / x |
\ x /
/ sin(x)\ / 3 2 \
\e / |2 /1 \ 2*sin(x) 3 3*sin(x) 3*cos(x) 3*cos (x) /1 \ /1 2 2*cos(x)\ sin(x) | sin(x)
x *|-- + |- + cos(x)*log(x)| *e + cos (x)*log(x) - cos(x)*log(x) - -------- - -------- + --------- - 3*|- + cos(x)*log(x)|*|-- + log(x)*sin(x) - cos (x)*log(x) - --------|*e - 3*cos(x)*log(x)*sin(x)|*e
| 3 \x / x 2 x \x / | 2 x | |
\x x \x / /