2/1\ / _________\ /1\ /1\
cos |-| 2*atan\\/ 2*x - 1 /*cos|-|*sin|-|
\x/ \x/ \x/
--------------- + ---------------------------------
_________ 2
2*x*\/ 2*x - 1 x
$$\frac{\cos^{2}{\left(\frac{1}{x} \right)}}{2 x \sqrt{2 x - 1}} + \frac{2 \sin{\left(\frac{1}{x} \right)} \cos{\left(\frac{1}{x} \right)} \operatorname{atan}{\left(\sqrt{2 x - 1} \right)}}{x^{2}}$$
/ 2/1\ 2/1\ \
|cos |-| sin |-| |
| \x/ \x/ /1\ /1\| / __________\ 2/1\ /1 1 \ /1\ /1\
2*|------- - ------- + 2*cos|-|*sin|-||*atan\\/ -1 + 2*x / cos |-|*|- + --------| 2*cos|-|*sin|-|
\ x x \x/ \x// \x/ \x -1 + 2*x/ \x/ \x/
- ---------------------------------------------------------- - ---------------------- + ---------------
2 __________ 2 __________
x 2*\/ -1 + 2*x x *\/ -1 + 2*x
-------------------------------------------------------------------------------------------------------
x
$$\frac{- \frac{\left(\frac{1}{2 x - 1} + \frac{1}{x}\right) \cos^{2}{\left(\frac{1}{x} \right)}}{2 \sqrt{2 x - 1}} - \frac{2 \left(2 \sin{\left(\frac{1}{x} \right)} \cos{\left(\frac{1}{x} \right)} - \frac{\sin^{2}{\left(\frac{1}{x} \right)}}{x} + \frac{\cos^{2}{\left(\frac{1}{x} \right)}}{x}\right) \operatorname{atan}{\left(\sqrt{2 x - 1} \right)}}{x^{2}} + \frac{2 \sin{\left(\frac{1}{x} \right)} \cos{\left(\frac{1}{x} \right)}}{x^{2} \sqrt{2 x - 1}}}{x}$$
/ 2/1\ 2/1\ /1\ /1\\
/ 2/1\ 2/1\ \ | 3*sin |-| 3*cos |-| 2*cos|-|*sin|-||
2/1\ /2 3 2 \ |cos |-| sin |-| | | \x/ \x/ /1\ /1\ \x/ \x/| / __________\
cos |-|*|-- + ----------- + ------------| | \x/ \x/ /1\ /1\| 4*|- --------- + --------- + 3*cos|-|*sin|-| - ---------------|*atan\\/ -1 + 2*x / /1 1 \ /1\ /1\
\x/ | 2 2 x*(-1 + 2*x)| 3*|------- - ------- + 2*cos|-|*sin|-|| | x x \x/ \x/ 2 | 3*|- + --------|*cos|-|*sin|-|
\x (-1 + 2*x) / \ x x \x/ \x// \ x / \x -1 + 2*x/ \x/ \x/
----------------------------------------- - --------------------------------------- + ---------------------------------------------------------------------------------- - ------------------------------
__________ 3 __________ 3 2 __________
2*\/ -1 + 2*x x *\/ -1 + 2*x x x *\/ -1 + 2*x
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
x
$$\frac{\frac{\left(\frac{3}{\left(2 x - 1\right)^{2}} + \frac{2}{x \left(2 x - 1\right)} + \frac{2}{x^{2}}\right) \cos^{2}{\left(\frac{1}{x} \right)}}{2 \sqrt{2 x - 1}} - \frac{3 \left(\frac{1}{2 x - 1} + \frac{1}{x}\right) \sin{\left(\frac{1}{x} \right)} \cos{\left(\frac{1}{x} \right)}}{x^{2} \sqrt{2 x - 1}} + \frac{4 \left(3 \sin{\left(\frac{1}{x} \right)} \cos{\left(\frac{1}{x} \right)} - \frac{3 \sin^{2}{\left(\frac{1}{x} \right)}}{x} + \frac{3 \cos^{2}{\left(\frac{1}{x} \right)}}{x} - \frac{2 \sin{\left(\frac{1}{x} \right)} \cos{\left(\frac{1}{x} \right)}}{x^{2}}\right) \operatorname{atan}{\left(\sqrt{2 x - 1} \right)}}{x^{3}} - \frac{3 \left(2 \sin{\left(\frac{1}{x} \right)} \cos{\left(\frac{1}{x} \right)} - \frac{\sin^{2}{\left(\frac{1}{x} \right)}}{x} + \frac{\cos^{2}{\left(\frac{1}{x} \right)}}{x}\right)}{x^{3} \sqrt{2 x - 1}}}{x}$$