/d d \
|--(im(x))*im(x) + --(re(x))*re(x)|*sin(x)
cos(x) \dx dx /
------ - ------------------------------------------
|x| 3
|x|
$$- \frac{1}{\left|{x}\right|^{3}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right) \sin{\left (x \right )} + \frac{1}{\left|{x}\right|} \cos{\left (x \right )}$$
/ 2 2 2 2 \
|/d \ /d \ d d | 2
||--(im(x))| + |--(re(x))| + ---(im(x))*im(x) + ---(re(x))*re(x)|*sin(x) /d d \ /d d \
|\dx / \dx / 2 2 | 2*|--(im(x))*im(x) + --(re(x))*re(x)|*cos(x) 3*|--(im(x))*im(x) + --(re(x))*re(x)| *sin(x)
\ dx dx / \dx dx / \dx dx /
-sin(x) - -------------------------------------------------------------------------- - -------------------------------------------- + ---------------------------------------------
2 2 4
|x| |x| |x|
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|x|
$$\frac{1}{\left|{x}\right|} \left(\frac{3}{\left|{x}\right|^{4}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right)^{2} \sin{\left (x \right )} - \frac{2}{\left|{x}\right|^{2}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right) \cos{\left (x \right )} - \frac{1}{\left|{x}\right|^{2}} \left(\Re{x} \frac{d^{2}}{d x^{2}} \Re{x} + \Im{x} \frac{d^{2}}{d x^{2}} \Im{x} + \frac{d}{d x} \Re{x}^{2} + \frac{d}{d x} \Im{x}^{2}\right) \sin{\left (x \right )} - \sin{\left (x \right )}\right)$$
/ 3 3 2 2 \ / 2 2 2 2 \ / 2 2 2 2 \
| d d d d d d | 3 |/d \ /d \ d d | 2 /d d \ |/d \ /d \ d d |
|---(im(x))*im(x) + ---(re(x))*re(x) + 3*--(im(x))*---(im(x)) + 3*--(re(x))*---(re(x))|*sin(x) /d d \ 3*||--(im(x))| + |--(re(x))| + ---(im(x))*im(x) + ---(re(x))*re(x)|*cos(x) /d d \ /d d \ 9*|--(im(x))*im(x) + --(re(x))*re(x)|*||--(im(x))| + |--(re(x))| + ---(im(x))*im(x) + ---(re(x))*re(x)|*sin(x)
| 3 3 dx 2 dx 2 | 15*|--(im(x))*im(x) + --(re(x))*re(x)| *sin(x) |\dx / \dx / 2 2 | 3*|--(im(x))*im(x) + --(re(x))*re(x)|*sin(x) 9*|--(im(x))*im(x) + --(re(x))*re(x)| *cos(x) \dx dx / |\dx / \dx / 2 2 |
\dx dx dx dx / \dx dx / \ dx dx / \dx dx / \dx dx / \ dx dx /
-cos(x) - ---------------------------------------------------------------------------------------------- - ---------------------------------------------- - ---------------------------------------------------------------------------- + -------------------------------------------- + --------------------------------------------- + ----------------------------------------------------------------------------------------------------------------
2 6 2 2 4 4
|x| |x| |x| |x| |x| |x|
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|x|
$$\frac{1}{\left|{x}\right|} \left(- \frac{15}{\left|{x}\right|^{6}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right)^{3} \sin{\left (x \right )} + \frac{9}{\left|{x}\right|^{4}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right)^{2} \cos{\left (x \right )} + \frac{9}{\left|{x}\right|^{4}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right) \left(\Re{x} \frac{d^{2}}{d x^{2}} \Re{x} + \Im{x} \frac{d^{2}}{d x^{2}} \Im{x} + \frac{d}{d x} \Re{x}^{2} + \frac{d}{d x} \Im{x}^{2}\right) \sin{\left (x \right )} + \frac{3}{\left|{x}\right|^{2}} \left(\Re{x} \frac{d}{d x} \Re{x} + \Im{x} \frac{d}{d x} \Im{x}\right) \sin{\left (x \right )} - \frac{3}{\left|{x}\right|^{2}} \left(\Re{x} \frac{d^{2}}{d x^{2}} \Re{x} + \Im{x} \frac{d^{2}}{d x^{2}} \Im{x} + \frac{d}{d x} \Re{x}^{2} + \frac{d}{d x} \Im{x}^{2}\right) \cos{\left (x \right )} - \frac{1}{\left|{x}\right|^{2}} \left(\Re{x} \frac{d^{3}}{d x^{3}} \Re{x} + \Im{x} \frac{d^{3}}{d x^{3}} \Im{x} + 3 \frac{d}{d x} \Re{x} \frac{d^{2}}{d x^{2}} \Re{x} + 3 \frac{d}{d x} \Im{x} \frac{d^{2}}{d x^{2}} \Im{x}\right) \sin{\left (x \right )} - \cos{\left (x \right )}\right)$$