Parte trigonométrica
[src]
2
/ 2/x\ \
| cos |-| |
___ | \2/ | 4/x pi\
-\/ 2 *|-1 + ------------| *cos |- - --|
| 2/x pi\| \2 2 /
| cos |- - --||
\ \2 2 //
-----------------------------------------
/ pi\
2*cos|x + --|
\ 4 /
$$- \frac{\sqrt{2} \left(\frac{\cos^{2}{\left(\frac{x}{2} \right)}}{\cos^{2}{\left(\frac{x}{2} - \frac{\pi}{2} \right)}} - 1\right)^{2} \cos^{4}{\left(\frac{x}{2} - \frac{\pi}{2} \right)}}{2 \cos{\left(x + \frac{\pi}{4} \right)}}$$
2
/ 4/x\\
| 4*sin |-||
___ | \2/| 4/pi x\
-\/ 2 *|1 - ---------| *sin |-- + -|
| 2 | \2 2/
\ sin (x) /
-------------------------------------
/ 3*pi\
2*sin|x + ----|
\ 4 /
$$- \frac{\sqrt{2} \left(- \frac{4 \sin^{4}{\left(\frac{x}{2} \right)}}{\sin^{2}{\left(x \right)}} + 1\right)^{2} \sin^{4}{\left(\frac{x}{2} + \frac{\pi}{2} \right)}}{2 \sin{\left(x + \frac{3 \pi}{4} \right)}}$$
2/ pi\
sin |x + --|
\ 2 /
----------------------
/ pi\
- sin|x + --| + sin(x)
\ 2 /
$$\frac{\sin^{2}{\left(x + \frac{\pi}{2} \right)}}{\sin{\left(x \right)} - \sin{\left(x + \frac{\pi}{2} \right)}}$$
___ 2
-\/ 2 *cos (x)
---------------
/ pi\
2*cos|x + --|
\ 4 /
$$- \frac{\sqrt{2} \cos^{2}{\left(x \right)}}{2 \cos{\left(x + \frac{\pi}{4} \right)}}$$
2
/ 2 \
___ | sin (x) | 4/x\
-\/ 2 *|-1 + ---------| *sin |-|
| 4/x\| \2/
| 4*sin |-||
\ \2//
---------------------------------
/ pi\
2*cos|x + --|
\ 4 /
$$- \frac{\sqrt{2} \left(-1 + \frac{\sin^{2}{\left(x \right)}}{4 \sin^{4}{\left(\frac{x}{2} \right)}}\right)^{2} \sin^{4}{\left(\frac{x}{2} \right)}}{2 \cos{\left(x + \frac{\pi}{4} \right)}}$$
___ 2 4/x\
-2*\/ 2 *cos (x)*sin |-|
\2/
--------------------------
2 / pi\
(-1 + cos(x)) *cos|x + --|
\ 4 /
$$- \frac{2 \sqrt{2} \sin^{4}{\left(\frac{x}{2} \right)} \cos^{2}{\left(x \right)}}{\left(\cos{\left(x \right)} - 1\right)^{2} \cos{\left(x + \frac{\pi}{4} \right)}}$$
2
___ / 2/x\\ 4/x\ 8/x\
-8*\/ 2 *|-1 + cot |-|| *cot |-|*sin |-|
\ \2// \4/ \4/
----------------------------------------
/ 2/x pi\\ 2/x pi\
|-1 + cot |- + --||*sin |- + --|
\ \2 8 // \2 8 /
$$- \frac{8 \sqrt{2} \left(\cot^{2}{\left(\frac{x}{2} \right)} - 1\right)^{2} \sin^{8}{\left(\frac{x}{4} \right)} \cot^{4}{\left(\frac{x}{4} \right)}}{\left(\cot^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)} - 1\right) \sin^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)}}$$
___ 2/ pi\
-\/ 2 *sin |x + --|
\ 2 /
--------------------
/ 3*pi\
2*sin|x + ----|
\ 4 /
$$- \frac{\sqrt{2} \sin^{2}{\left(x + \frac{\pi}{2} \right)}}{2 \sin{\left(x + \frac{3 \pi}{4} \right)}}$$
2
___ / 2/x\\ / 2/x pi\\
-\/ 2 *|-1 + cot |-|| *|1 + cot |- + --||
\ \2// \ \2 8 //
------------------------------------------
2
/ 2/x\\ / 2/x pi\\
2*|1 + cot |-|| *|-1 + cot |- + --||
\ \2// \ \2 8 //
$$- \frac{\sqrt{2} \left(\cot^{2}{\left(\frac{x}{2} \right)} - 1\right)^{2} \left(\cot^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)} + 1\right)}{2 \left(\cot^{2}{\left(\frac{x}{2} \right)} + 1\right)^{2} \left(\cot^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)} - 1\right)}$$
2 4
___ / 1 \ / 2/x\\ / 2/x pi\\
-\/ 2 *|1 - -------| *|-1 + cot |-|| *|1 + cot |- + --||
| 2/x\| \ \4// \ \2 8 //
| cot |-||
\ \2//
---------------------------------------------------------
4
/ 2/x\\ / 2/x pi\\
2*|1 + cot |-|| *|-1 + cot |- + --||
\ \4// \ \2 8 //
$$- \frac{\sqrt{2} \left(1 - \frac{1}{\cot^{2}{\left(\frac{x}{2} \right)}}\right)^{2} \left(\cot^{2}{\left(\frac{x}{4} \right)} - 1\right)^{4} \left(\cot^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)} + 1\right)}{2 \left(\cot^{2}{\left(\frac{x}{4} \right)} + 1\right)^{4} \left(\cot^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)} - 1\right)}$$
2
/ 2/pi x\\
| csc |-- - -||
___ | \2 2/| / pi\
-\/ 2 *|1 - ------------| *csc|-x + --|
| 2/x\ | \ 4 /
| csc |-| |
\ \2/ /
----------------------------------------
4/pi x\
2*csc |-- - -|
\2 2/
$$- \frac{\sqrt{2} \left(1 - \frac{\csc^{2}{\left(- \frac{x}{2} + \frac{\pi}{2} \right)}}{\csc^{2}{\left(\frac{x}{2} \right)}}\right)^{2} \csc{\left(- x + \frac{\pi}{4} \right)}}{2 \csc^{4}{\left(- \frac{x}{2} + \frac{\pi}{2} \right)}}$$
2
___ / 2/x\\ 4/x\
-\/ 2 *|-1 + cot |-|| *sin |-|
\ \2// \2/
-------------------------------
/ pi\
2*cos|x + --|
\ 4 /
$$- \frac{\sqrt{2} \left(\cot^{2}{\left(\frac{x}{2} \right)} - 1\right)^{2} \sin^{4}{\left(\frac{x}{2} \right)}}{2 \cos{\left(x + \frac{\pi}{4} \right)}}$$
___
-\/ 2 *(1 + cos(2*x))
----------------------
/ pi\
4*cos|x + --|
\ 4 /
$$- \frac{\sqrt{2} \left(\cos{\left(2 x \right)} + 1\right)}{4 \cos{\left(x + \frac{\pi}{4} \right)}}$$
2
/ 2/x\\
|1 - tan |-||
\ \2//
--------------------------------------------
/ 2/x\ /x\ \
2 | 1 - tan |-| 2*tan|-| |
/ 2/x\\ | \2/ \2/ |
|1 + tan |-|| *|- ----------- + -----------|
\ \2// | 2/x\ 2/x\|
| 1 + tan |-| 1 + tan |-||
\ \2/ \2//
$$\frac{\left(1 - \tan^{2}{\left(\frac{x}{2} \right)}\right)^{2}}{\left(- \frac{1 - \tan^{2}{\left(\frac{x}{2} \right)}}{\tan^{2}{\left(\frac{x}{2} \right)} + 1} + \frac{2 \tan{\left(\frac{x}{2} \right)}}{\tan^{2}{\left(\frac{x}{2} \right)} + 1}\right) \left(\tan^{2}{\left(\frac{x}{2} \right)} + 1\right)^{2}}$$
2
cos (x)
---------------------
/ pi\
-cos(x) + cos|x - --|
\ 2 /
$$\frac{\cos^{2}{\left(x \right)}}{- \cos{\left(x \right)} + \cos{\left(x - \frac{\pi}{2} \right)}}$$
___ 2 4/x\ / pi\
-2*\/ 2 *cos (x)*sin |-|*sec|x + --|
\2/ \ 4 /
------------------------------------
2
(-1 + cos(x))
$$- \frac{2 \sqrt{2} \sin^{4}{\left(\frac{x}{2} \right)} \cos^{2}{\left(x \right)} \sec{\left(x + \frac{\pi}{4} \right)}}{\left(\cos{\left(x \right)} - 1\right)^{2}}$$
2
/ 2/x pi\\
| sec |- - --||
___ | \2 2 /| / pi\
-\/ 2 *|-1 + ------------| *sec|x + --|
| 2/x\ | \ 4 /
| sec |-| |
\ \2/ /
----------------------------------------
4/x pi\
2*sec |- - --|
\2 2 /
$$- \frac{\sqrt{2} \left(-1 + \frac{\sec^{2}{\left(\frac{x}{2} - \frac{\pi}{2} \right)}}{\sec^{2}{\left(\frac{x}{2} \right)}}\right)^{2} \sec{\left(x + \frac{\pi}{4} \right)}}{2 \sec^{4}{\left(\frac{x}{2} - \frac{\pi}{2} \right)}}$$
2
/ 2/x pi\\
| cos |- - --||
___ | \2 2 /| 4/x\
-\/ 2 *|1 - ------------| *cos |-|
| 2/x\ | \2/
| cos |-| |
\ \2/ /
-----------------------------------
/ pi\
2*cos|x + --|
\ 4 /
$$- \frac{\sqrt{2} \left(1 - \frac{\cos^{2}{\left(\frac{x}{2} - \frac{\pi}{2} \right)}}{\cos^{2}{\left(\frac{x}{2} \right)}}\right)^{2} \cos^{4}{\left(\frac{x}{2} \right)}}{2 \cos{\left(x + \frac{\pi}{4} \right)}}$$
2
___ / 2/x\\ 4/x\
-\/ 2 *|1 - tan |-|| *cos |-|
\ \2// \2/
------------------------------
/ pi\
2*cos|x + --|
\ 4 /
$$- \frac{\sqrt{2} \left(1 - \tan^{2}{\left(\frac{x}{2} \right)}\right)^{2} \cos^{4}{\left(\frac{x}{2} \right)}}{2 \cos{\left(x + \frac{\pi}{4} \right)}}$$
2
___ / 2/x\\ / 2/x pi\\
-\/ 2 *|1 - tan |-|| *|1 + tan |- + --||
\ \2// \ \2 8 //
-----------------------------------------
2
/ 2/x\\ / 2/x pi\\
2*|1 + tan |-|| *|1 - tan |- + --||
\ \2// \ \2 8 //
$$- \frac{\sqrt{2} \left(1 - \tan^{2}{\left(\frac{x}{2} \right)}\right)^{2} \left(\tan^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)} + 1\right)}{2 \left(1 - \tan^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)}\right) \left(\tan^{2}{\left(\frac{x}{2} \right)} + 1\right)^{2}}$$
2 4
___ / 2/x\\ / 2/x\\ 8/x\
-\/ 2 *|1 - tan |-|| *|-1 + cot |-|| *sin |-|
\ \2// \ \4// \4/
----------------------------------------------
/ 2/x pi\\ 2/x pi\
2*|-1 + cot |- + --||*sin |- + --|
\ \2 8 // \2 8 /
$$- \frac{\sqrt{2} \left(1 - \tan^{2}{\left(\frac{x}{2} \right)}\right)^{2} \left(\cot^{2}{\left(\frac{x}{4} \right)} - 1\right)^{4} \sin^{8}{\left(\frac{x}{4} \right)}}{2 \left(\cot^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)} - 1\right) \sin^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)}}$$
___ 2 4/x\ / pi\
-2*\/ 2 *cos (x)*cos |-|*csc|-x + --|
\2/ \ 4 /
-------------------------------------
2
(1 + cos(x))
$$- \frac{2 \sqrt{2} \cos^{4}{\left(\frac{x}{2} \right)} \cos^{2}{\left(x \right)} \csc{\left(- x + \frac{\pi}{4} \right)}}{\left(\cos{\left(x \right)} + 1\right)^{2}}$$
___ 2 / pi\
-\/ 2 *cos (x)*csc|-x + --|
\ 4 /
----------------------------
2
$$- \frac{\sqrt{2} \cos^{2}{\left(x \right)} \csc{\left(- x + \frac{\pi}{4} \right)}}{2}$$
___ 2 / pi\
-\/ 2 *cos (x)*sec|x + --|
\ 4 /
---------------------------
2
$$- \frac{\sqrt{2} \cos^{2}{\left(x \right)} \sec{\left(x + \frac{\pi}{4} \right)}}{2}$$
2
___ / 2/x\\ 4/x\
-\/ 2 *|-1 + cot |-|| *sin |-|
\ \2// \2/
----------------------------------
/ 2/x pi\\ 2/x pi\
2*|-1 + cot |- + --||*sin |- + --|
\ \2 8 // \2 8 /
$$- \frac{\sqrt{2} \left(\cot^{2}{\left(\frac{x}{2} \right)} - 1\right)^{2} \sin^{4}{\left(\frac{x}{2} \right)}}{2 \left(\cot^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)} - 1\right) \sin^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)}}$$
2
___ / 1 \ 4/x\ / pi\
-\/ 2 *|-1 + -------| *sin |-|*csc|-x + --|
| 2/x\| \2/ \ 4 /
| tan |-||
\ \2//
--------------------------------------------
2
$$- \frac{\sqrt{2} \left(-1 + \frac{1}{\tan^{2}{\left(\frac{x}{2} \right)}}\right)^{2} \sin^{4}{\left(\frac{x}{2} \right)} \csc{\left(- x + \frac{\pi}{4} \right)}}{2}$$
2
___ / 1 \ 8/x\ 4/x\ / 2/x pi\\
-8*\/ 2 *|-1 + -------| *cos |-|*tan |-|*|1 + tan |- + --||
| 2/x\| \4/ \4/ \ \2 8 //
| tan |-||
\ \2//
-----------------------------------------------------------
2/x pi\
1 - tan |- + --|
\2 8 /
$$- \frac{8 \sqrt{2} \left(-1 + \frac{1}{\tan^{2}{\left(\frac{x}{2} \right)}}\right)^{2} \left(\tan^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)} + 1\right) \cos^{8}{\left(\frac{x}{4} \right)} \tan^{4}{\left(\frac{x}{4} \right)}}{1 - \tan^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)}}$$
2
/ 2/x\ \
| csc |-| |
___ | \2/ | / pi\
-\/ 2 *|-1 + ------------| *csc|-x + --|
| 2/pi x\| \ 4 /
| csc |-- - -||
\ \2 2//
-----------------------------------------
4/x\
2*csc |-|
\2/
$$- \frac{\sqrt{2} \left(\frac{\csc^{2}{\left(\frac{x}{2} \right)}}{\csc^{2}{\left(- \frac{x}{2} + \frac{\pi}{2} \right)}} - 1\right)^{2} \csc{\left(- x + \frac{\pi}{4} \right)}}{2 \csc^{4}{\left(\frac{x}{2} \right)}}$$
2
___ / 1 \ 4/x\ / 2/x pi\\
-8*\/ 2 *|-1 + -------| *tan |-|*|1 + tan |- + --||
| 2/x\| \4/ \ \2 8 //
| tan |-||
\ \2//
---------------------------------------------------
4
/ 2/x\\ / 2/x pi\\
|1 + tan |-|| *|1 - tan |- + --||
\ \4// \ \2 8 //
$$- \frac{8 \sqrt{2} \left(-1 + \frac{1}{\tan^{2}{\left(\frac{x}{2} \right)}}\right)^{2} \left(\tan^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)} + 1\right) \tan^{4}{\left(\frac{x}{4} \right)}}{\left(1 - \tan^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)}\right) \left(\tan^{2}{\left(\frac{x}{4} \right)} + 1\right)^{4}}$$
2
___ / 2/x\\ 4/x\ / pi\
-\/ 2 *|1 - tan |-|| *cos |-|*sec|x + --|
\ \2// \2/ \ 4 /
------------------------------------------
2
$$- \frac{\sqrt{2} \left(1 - \tan^{2}{\left(\frac{x}{2} \right)}\right)^{2} \cos^{4}{\left(\frac{x}{2} \right)} \sec{\left(x + \frac{\pi}{4} \right)}}{2}$$
___ 2 4/x\
-2*\/ 2 *cos (x)*cos |-|
\2/
-------------------------
2 / pi\
(1 + cos(x)) *cos|x + --|
\ 4 /
$$- \frac{2 \sqrt{2} \cos^{4}{\left(\frac{x}{2} \right)} \cos^{2}{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right)^{2} \cos{\left(x + \frac{\pi}{4} \right)}}$$
___ / pi\
-\/ 2 *csc|-x + --|
\ 4 /
--------------------
2/pi \
2*csc |-- - x|
\2 /
$$- \frac{\sqrt{2} \csc{\left(- x + \frac{\pi}{4} \right)}}{2 \csc^{2}{\left(- x + \frac{\pi}{2} \right)}}$$
2 4
___ / 2/x\\ / 2/x\\ 8/x\ / 2/x pi\\
-\/ 2 *|1 - tan |-|| *|1 - tan |-|| *cos |-|*|1 + tan |- + --||
\ \2// \ \4// \4/ \ \2 8 //
----------------------------------------------------------------
/ 2/x pi\\
2*|1 - tan |- + --||
\ \2 8 //
$$- \frac{\sqrt{2} \left(1 - \tan^{2}{\left(\frac{x}{4} \right)}\right)^{4} \left(1 - \tan^{2}{\left(\frac{x}{2} \right)}\right)^{2} \left(\tan^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)} + 1\right) \cos^{8}{\left(\frac{x}{4} \right)}}{2 \left(1 - \tan^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)}\right)}$$
2 4
___ / 2/x\\ / 2/x\\ / 2/x pi\\
-\/ 2 *|1 - tan |-|| *|1 - tan |-|| *|1 + tan |- + --||
\ \2// \ \4// \ \2 8 //
--------------------------------------------------------
4
/ 2/x\\ / 2/x pi\\
2*|1 + tan |-|| *|1 - tan |- + --||
\ \4// \ \2 8 //
$$- \frac{\sqrt{2} \left(1 - \tan^{2}{\left(\frac{x}{4} \right)}\right)^{4} \left(1 - \tan^{2}{\left(\frac{x}{2} \right)}\right)^{2} \left(\tan^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)} + 1\right)}{2 \left(1 - \tan^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)}\right) \left(\tan^{2}{\left(\frac{x}{4} \right)} + 1\right)^{4}}$$
2
/ 2 \
___ | sin (x) | 4/x\
-\/ 2 *|-1 + ---------| *sin |-|
| 4/x\| \2/
| 4*sin |-||
\ \2//
---------------------------------
/ 3*pi\
2*sin|x + ----|
\ 4 /
$$- \frac{\sqrt{2} \left(-1 + \frac{\sin^{2}{\left(x \right)}}{4 \sin^{4}{\left(\frac{x}{2} \right)}}\right)^{2} \sin^{4}{\left(\frac{x}{2} \right)}}{2 \sin{\left(x + \frac{3 \pi}{4} \right)}}$$
1
------------------------------
/ 1 1 \ 2
|----------- - ------|*sec (x)
| / pi\ sec(x)|
|sec|x - --| |
\ \ 2 / /
$$\frac{1}{\left(\frac{1}{\sec{\left(x - \frac{\pi}{2} \right)}} - \frac{1}{\sec{\left(x \right)}}\right) \sec^{2}{\left(x \right)}}$$
1
-------------------------
/ 1 1 \ 2
|------ - ------|*sec (x)
\csc(x) sec(x)/
$$\frac{1}{\left(- \frac{1}{\sec{\left(x \right)}} + \frac{1}{\csc{\left(x \right)}}\right) \sec^{2}{\left(x \right)}}$$
___ / pi\
-\/ 2 *sec|x + --|
\ 4 /
-------------------
2
2*sec (x)
$$- \frac{\sqrt{2} \sec{\left(x + \frac{\pi}{4} \right)}}{2 \sec^{2}{\left(x \right)}}$$
1
-----------------------------------
/ 1 1 \ 2/pi \
|------ - -----------|*csc |-- - x|
|csc(x) /pi \| \2 /
| csc|-- - x||
\ \2 //
$$\frac{1}{\left(- \frac{1}{\csc{\left(- x + \frac{\pi}{2} \right)}} + \frac{1}{\csc{\left(x \right)}}\right) \csc^{2}{\left(- x + \frac{\pi}{2} \right)}}$$
2
___ / 2/x\\ 4/x\ / 2/x pi\\
-8*\/ 2 *|-1 + cot |-|| *cot |-|*|1 + cot |- + --||
\ \2// \4/ \ \2 8 //
---------------------------------------------------
4
/ 2/x\\ / 2/x pi\\
|1 + cot |-|| *|-1 + cot |- + --||
\ \4// \ \2 8 //
$$- \frac{8 \sqrt{2} \left(\cot^{2}{\left(\frac{x}{2} \right)} - 1\right)^{2} \left(\cot^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)} + 1\right) \cot^{4}{\left(\frac{x}{4} \right)}}{\left(\cot^{2}{\left(\frac{x}{4} \right)} + 1\right)^{4} \left(\cot^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)} - 1\right)}$$
2
/ 2/x\ \
| sec |-| |
___ | \2/ | / pi\
-\/ 2 *|1 - ------------| *sec|x + --|
| 2/x pi\| \ 4 /
| sec |- - --||
\ \2 2 //
---------------------------------------
4/x\
2*sec |-|
\2/
$$- \frac{\sqrt{2} \left(- \frac{\sec^{2}{\left(\frac{x}{2} \right)}}{\sec^{2}{\left(\frac{x}{2} - \frac{\pi}{2} \right)}} + 1\right)^{2} \sec{\left(x + \frac{\pi}{4} \right)}}{2 \sec^{4}{\left(\frac{x}{2} \right)}}$$
2
/ 2/x\\
|-1 + cot |-||
\ \2//
---------------------------------------------
/ 2/x\ /x\ \
2 | -1 + cot |-| 2*cot|-| |
/ 2/x\\ | \2/ \2/ |
|1 + cot |-|| *|- ------------ + -----------|
\ \2// | 2/x\ 2/x\|
| 1 + cot |-| 1 + cot |-||
\ \2/ \2//
$$\frac{\left(\cot^{2}{\left(\frac{x}{2} \right)} - 1\right)^{2}}{\left(- \frac{\cot^{2}{\left(\frac{x}{2} \right)} - 1}{\cot^{2}{\left(\frac{x}{2} \right)} + 1} + \frac{2 \cot{\left(\frac{x}{2} \right)}}{\cot^{2}{\left(\frac{x}{2} \right)} + 1}\right) \left(\cot^{2}{\left(\frac{x}{2} \right)} + 1\right)^{2}}$$
2
___ / 2/x\\ 4/x\ / 2/x pi\\
-\/ 2 *|1 - tan |-|| *cos |-|*|1 + tan |- + --||
\ \2// \2/ \ \2 8 //
-------------------------------------------------
/ 2/x pi\\
2*|1 - tan |- + --||
\ \2 8 //
$$- \frac{\sqrt{2} \left(1 - \tan^{2}{\left(\frac{x}{2} \right)}\right)^{2} \left(\tan^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)} + 1\right) \cos^{4}{\left(\frac{x}{2} \right)}}{2 \left(1 - \tan^{2}{\left(\frac{x}{2} + \frac{\pi}{8} \right)}\right)}$$
-sqrt(2)*(1 - tan(x/2)^2)^2*cos(x/2)^4*(1 + tan(x/2 + pi/8)^2)/(2*(1 - tan(x/2 + pi/8)^2))