Тригонометрическая часть
[src]
1
---------------
csc(x)*csc(k*x)
$$\frac{1}{\csc{\left(x \right)} \csc{\left(k x \right)}}$$
1
-------------------------
csc(pi - x)*csc(pi - k*x)
$$\frac{1}{\csc{\left(- x + \pi \right)} \csc{\left(- k x + \pi \right)}}$$
/ pi\ / pi \
cos|x - --|*cos|- -- + k*x|
\ 2 / \ 2 /
$$\cos{\left(x - \frac{\pi}{2} \right)} \cos{\left(k x - \frac{\pi}{2} \right)}$$
1
---------------------------
/ pi\ / pi \
sec|x - --|*sec|- -- + k*x|
\ 2 / \ 2 /
$$\frac{1}{\sec{\left(x - \frac{\pi}{2} \right)} \sec{\left(k x - \frac{\pi}{2} \right)}}$$
1
-------------------------
/pi \ /pi \
sec|-- - x|*sec|-- - k*x|
\2 / \2 /
$$\frac{1}{\sec{\left(- x + \frac{\pi}{2} \right)} \sec{\left(- k x + \frac{\pi}{2} \right)}}$$
cos(x*(-1 + k)) cos(x*(1 + k))
--------------- - --------------
2 2
$$\frac{\cos{\left(x \left(k - 1\right) \right)}}{2} - \frac{\cos{\left(x \left(k + 1\right) \right)}}{2}$$
1 1
----------------- - ----------------
2*sec(x*(-1 + k)) 2*sec(x*(1 + k))
$$- \frac{1}{2 \sec{\left(x \left(k + 1\right) \right)}} + \frac{1}{2 \sec{\left(x \left(k - 1\right) \right)}}$$
/x\ /k*x\ /x\ /k*x\
4*cos|-|*cos|---|*sin|-|*sin|---|
\2/ \ 2 / \2/ \ 2 /
$$4 \sin{\left(\frac{x}{2} \right)} \sin{\left(\frac{k x}{2} \right)} \cos{\left(\frac{x}{2} \right)} \cos{\left(\frac{k x}{2} \right)}$$
/pi \ /pi \
sin|-- + x*(-1 + k)| sin|-- + x*(1 + k)|
\2 / \2 /
-------------------- - -------------------
2 2
$$\frac{\sin{\left(x \left(k - 1\right) + \frac{\pi}{2} \right)}}{2} - \frac{\sin{\left(x \left(k + 1\right) + \frac{\pi}{2} \right)}}{2}$$
1 1
---------------------- - ---------------------
/pi \ /pi \
2*csc|-- - x*(-1 + k)| 2*csc|-- - x*(1 + k)|
\2 / \2 /
$$- \frac{1}{2 \csc{\left(- x \left(k + 1\right) + \frac{\pi}{2} \right)}} + \frac{1}{2 \csc{\left(- x \left(k - 1\right) + \frac{\pi}{2} \right)}}$$
/x\ /k*x\
(1 + cos(x)*cos(k*x) + cos(x) + cos(k*x))*tan|-|*tan|---|
\2/ \ 2 /
$$\left(\cos{\left(x \right)} \cos{\left(k x \right)} + \cos{\left(x \right)} + \cos{\left(k x \right)} + 1\right) \tan{\left(\frac{x}{2} \right)} \tan{\left(\frac{k x}{2} \right)}$$
/x\ /k*x\
4*tan|-|*tan|---|
\2/ \ 2 /
-----------------------------
/ 2/x\\ / 2/k*x\\
|1 + tan |-||*|1 + tan |---||
\ \2// \ \ 2 //
$$\frac{4 \tan{\left(\frac{x}{2} \right)} \tan{\left(\frac{k x}{2} \right)}}{\left(\tan^{2}{\left(\frac{x}{2} \right)} + 1\right) \left(\tan^{2}{\left(\frac{k x}{2} \right)} + 1\right)}$$
/x\ /k*x\
4*cot|-|*cot|---|
\2/ \ 2 /
-----------------------------
/ 2/x\\ / 2/k*x\\
|1 + cot |-||*|1 + cot |---||
\ \2// \ \ 2 //
$$\frac{4 \cot{\left(\frac{x}{2} \right)} \cot{\left(\frac{k x}{2} \right)}}{\left(\cot^{2}{\left(\frac{x}{2} \right)} + 1\right) \left(\cot^{2}{\left(\frac{k x}{2} \right)} + 1\right)}$$
4
---------------------------------------------
/ 1 \ / 1 \ /x\ /k*x\
|1 + -------|*|1 + ---------|*cot|-|*cot|---|
| 2/x\| | 2/k*x\| \2/ \ 2 /
| cot |-|| | cot |---||
\ \2// \ \ 2 //
$$\frac{4}{\left(1 + \frac{1}{\cot^{2}{\left(\frac{x}{2} \right)}}\right) \left(1 + \frac{1}{\cot^{2}{\left(\frac{k x}{2} \right)}}\right) \cot{\left(\frac{x}{2} \right)} \cot{\left(\frac{k x}{2} \right)}}$$
/ 2/x pi\\ / 2/pi k*x\\
|1 - cot |- + --||*|1 - cot |-- + ---||*(1 + sin(x))*(1 + sin(k*x))
\ \2 4 // \ \4 2 //
-------------------------------------------------------------------
4
$$\frac{\left(- \cot^{2}{\left(\frac{x}{2} + \frac{\pi}{4} \right)} + 1\right) \left(- \cot^{2}{\left(\frac{k x}{2} + \frac{\pi}{4} \right)} + 1\right) \left(\sin{\left(x \right)} + 1\right) \left(\sin{\left(k x \right)} + 1\right)}{4}$$
// 0 for x mod pi = 0\ // 0 for k*x mod pi = 0\
|< |*|< |
\\sin(x) otherwise / \\sin(k*x) otherwise /
$$\left(\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\sin{\left(x \right)} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\sin{\left(k x \right)} & \text{otherwise} \end{cases}\right)$$
// 0 for x mod pi = 0\ // 0 for k*x mod pi = 0\
|| | || |
|< 1 |*|< 1 |
||------ otherwise | ||-------- otherwise |
\\csc(x) / \\csc(k*x) /
$$\left(\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\frac{1}{\csc{\left(x \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\frac{1}{\csc{\left(k x \right)}} & \text{otherwise} \end{cases}\right)$$
// 0 for x mod pi = 0\ // 0 for k*x mod pi = 0\
|| | || |
|< / pi\ |*|< / pi \ |
||cos|x - --| otherwise | ||cos|- -- + k*x| otherwise |
\\ \ 2 / / \\ \ 2 / /
$$\left(\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\cos{\left(x - \frac{\pi}{2} \right)} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\cos{\left(k x - \frac{\pi}{2} \right)} & \text{otherwise} \end{cases}\right)$$
// 0 for x mod pi = 0\ // 0 for k*x mod pi = 0\
|| | || |
|| 1 | || 1 |
|<----------- otherwise |*|<--------------- otherwise |
|| / pi\ | || / pi \ |
||sec|x - --| | ||sec|- -- + k*x| |
\\ \ 2 / / \\ \ 2 / /
$$\left(\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\frac{1}{\sec{\left(x - \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\frac{1}{\sec{\left(k x - \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
/ 2/x pi\\ / 2/pi k*x\\
|-1 + tan |- + --||*|-1 + tan |-- + ---||
\ \2 4 // \ \4 2 //
-----------------------------------------
/ 2/x pi\\ / 2/pi k*x\\
|1 + tan |- + --||*|1 + tan |-- + ---||
\ \2 4 // \ \4 2 //
$$\frac{\left(\tan^{2}{\left(\frac{x}{2} + \frac{\pi}{4} \right)} - 1\right) \left(\tan^{2}{\left(\frac{k x}{2} + \frac{\pi}{4} \right)} - 1\right)}{\left(\tan^{2}{\left(\frac{x}{2} + \frac{\pi}{4} \right)} + 1\right) \left(\tan^{2}{\left(\frac{k x}{2} + \frac{\pi}{4} \right)} + 1\right)}$$
2/x*(-1 + k)\ 2/x*(1 + k)\
1 - tan |----------| 1 - tan |---------|
\ 2 / \ 2 /
------------------------ - -----------------------
/ 2/x*(-1 + k)\\ / 2/x*(1 + k)\\
2*|1 + tan |----------|| 2*|1 + tan |---------||
\ \ 2 // \ \ 2 //
$$\frac{- \tan^{2}{\left(\frac{x \left(k - 1\right)}{2} \right)} + 1}{2 \left(\tan^{2}{\left(\frac{x \left(k - 1\right)}{2} \right)} + 1\right)} - \frac{- \tan^{2}{\left(\frac{x \left(k + 1\right)}{2} \right)} + 1}{2 \left(\tan^{2}{\left(\frac{x \left(k + 1\right)}{2} \right)} + 1\right)}$$
/ 2/x pi\\ / 2/pi k*x\\
|1 - cot |- + --||*|1 - cot |-- + ---||
\ \2 4 // \ \4 2 //
---------------------------------------
/ 2/x pi\\ / 2/pi k*x\\
|1 + cot |- + --||*|1 + cot |-- + ---||
\ \2 4 // \ \4 2 //
$$\frac{\left(- \cot^{2}{\left(\frac{x}{2} + \frac{\pi}{4} \right)} + 1\right) \left(- \cot^{2}{\left(\frac{k x}{2} + \frac{\pi}{4} \right)} + 1\right)}{\left(\cot^{2}{\left(\frac{x}{2} + \frac{\pi}{4} \right)} + 1\right) \left(\cot^{2}{\left(\frac{k x}{2} + \frac{\pi}{4} \right)} + 1\right)}$$
// / 3*pi\ \ // /3*pi \ \
|| 1 for |x + ----| mod 2*pi = 0| || 1 for |---- + k*x| mod 2*pi = 0|
|< \ 2 / |*|< \ 2 / |
|| | || |
\\sin(x) otherwise / \\sin(k*x) otherwise /
$$\left(\begin{cases} 1 & \text{for}\: \left(x + \frac{3 \pi}{2}\right) \bmod 2 \pi = 0 \\\sin{\left(x \right)} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: \left(k x + \frac{3 \pi}{2}\right) \bmod 2 \pi = 0 \\\sin{\left(k x \right)} & \text{otherwise} \end{cases}\right)$$
2/x\ 2/k*x\
16*sin |-|*sin |---|
\2/ \ 2 /
-------------------------------------------------
/ 4/x\\ / 4/k*x\\
| 4*sin |-|| | 4*sin |---||
| \2/| | \ 2 /|
|1 + ---------|*|1 + -----------|*sin(x)*sin(k*x)
| 2 | | 2 |
\ sin (x) / \ sin (k*x) /
$$\frac{16 \sin^{2}{\left(\frac{x}{2} \right)} \sin^{2}{\left(\frac{k x}{2} \right)}}{\left(\frac{4 \sin^{4}{\left(\frac{x}{2} \right)}}{\sin^{2}{\left(x \right)}} + 1\right) \left(\frac{4 \sin^{4}{\left(\frac{k x}{2} \right)}}{\sin^{2}{\left(k x \right)}} + 1\right) \sin{\left(x \right)} \sin{\left(k x \right)}}$$
/ 1 for x*(-1 + k) mod 2*pi = 0 / 1 for x*(1 + k) mod 2*pi = 0
< <
\cos(x*(-1 + k)) otherwise \cos(x + k*x) otherwise
--------------------------------------------- - -----------------------------------------
2 2
$$\left(\frac{\begin{cases} 1 & \text{for}\: x \left(k - 1\right) \bmod 2 \pi = 0 \\\cos{\left(x \left(k - 1\right) \right)} & \text{otherwise} \end{cases}}{2}\right) - \left(\frac{\begin{cases} 1 & \text{for}\: x \left(k + 1\right) \bmod 2 \pi = 0 \\\cos{\left(k x + x \right)} & \text{otherwise} \end{cases}}{2}\right)$$
// 0 for x mod pi = 0\ // 0 for k*x mod pi = 0\
|| | || |
||1 - cos(x) | ||1 - cos(k*x) |
|<---------- otherwise |*|<------------ otherwise |
|| /x\ | || /k*x\ |
|| tan|-| | || tan|---| |
\\ \2/ / \\ \ 2 / /
$$\left(\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\frac{- \cos{\left(x \right)} + 1}{\tan{\left(\frac{x}{2} \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\frac{- \cos{\left(k x \right)} + 1}{\tan{\left(\frac{k x}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
// 0 for x mod pi = 0\ // 0 for k*x mod pi = 0\
|| | || |
|| /x\ | || /k*x\ |
|| 2*tan|-| | || 2*tan|---| |
|< \2/ |*|< \ 2 / |
||----------- otherwise | ||------------- otherwise |
|| 2/x\ | || 2/k*x\ |
||1 + tan |-| | ||1 + tan |---| |
\\ \2/ / \\ \ 2 / /
$$\left(\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\frac{2 \tan{\left(\frac{x}{2} \right)}}{\tan^{2}{\left(\frac{x}{2} \right)} + 1} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\frac{2 \tan{\left(\frac{k x}{2} \right)}}{\tan^{2}{\left(\frac{k x}{2} \right)} + 1} & \text{otherwise} \end{cases}\right)$$
// 0 for x mod pi = 0\ // 0 for k*x mod pi = 0\
|| | || |
|| /x\ | || /k*x\ |
|| 2*cot|-| | || 2*cot|---| |
|< \2/ |*|< \ 2 / |
||----------- otherwise | ||------------- otherwise |
|| 2/x\ | || 2/k*x\ |
||1 + cot |-| | ||1 + cot |---| |
\\ \2/ / \\ \ 2 / /
$$\left(\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\frac{2 \cot{\left(\frac{x}{2} \right)}}{\cot^{2}{\left(\frac{x}{2} \right)} + 1} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\frac{2 \cot{\left(\frac{k x}{2} \right)}}{\cot^{2}{\left(\frac{k x}{2} \right)} + 1} & \text{otherwise} \end{cases}\right)$$
// 0 for x mod pi = 0\ // 0 for k*x mod pi = 0\
|| | || |
| 0 for x mod pi = 0 |*| 0 for k*x mod pi = 0 |
||< otherwise | ||< otherwise |
\\\sin(x) otherwise / \\\sin(k*x) otherwise /
$$\left(\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\sin{\left(x \right)} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\sin{\left(k x \right)} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right)$$
// 0 for x mod pi = 0\ // 0 for k*x mod pi = 0\
|| | || |
|| 2 | || 2 |
||-------------------- otherwise | ||------------------------ otherwise |
| 1 \ /x\ |*| 1 \ /k*x\ |
|||1 + -------|*tan|-| | |||1 + ---------|*tan|---| |
||| 2/x\| \2/ | ||| 2/k*x\| \ 2 / |
||| tan |-|| | ||| tan |---|| |
\\\ \2// / \\\ \ 2 // /
$$\left(\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\frac{2}{\left(1 + \frac{1}{\tan^{2}{\left(\frac{x}{2} \right)}}\right) \tan{\left(\frac{x}{2} \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\frac{2}{\left(1 + \frac{1}{\tan^{2}{\left(\frac{k x}{2} \right)}}\right) \tan{\left(\frac{k x}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
/x\ /k*x\
4*sec|-|*sec|---|
\2/ \ 2 /
---------------------------------------------------------------------
/ 2/x\ \ / 2/k*x\ \
| sec |-| | | sec |---| |
| \2/ | | \ 2 / | /x pi\ / pi k*x\
|1 + ------------|*|1 + ----------------|*sec|- - --|*sec|- -- + ---|
| 2/x pi\| | 2/ pi k*x\| \2 2 / \ 2 2 /
| sec |- - --|| | sec |- -- + ---||
\ \2 2 // \ \ 2 2 //
$$\frac{4 \sec{\left(\frac{x}{2} \right)} \sec{\left(\frac{k x}{2} \right)}}{\left(\frac{\sec^{2}{\left(\frac{x}{2} \right)}}{\sec^{2}{\left(\frac{x}{2} - \frac{\pi}{2} \right)}} + 1\right) \left(\frac{\sec^{2}{\left(\frac{k x}{2} \right)}}{\sec^{2}{\left(\frac{k x}{2} - \frac{\pi}{2} \right)}} + 1\right) \sec{\left(\frac{x}{2} - \frac{\pi}{2} \right)} \sec{\left(\frac{k x}{2} - \frac{\pi}{2} \right)}}$$
/x pi\ / pi k*x\
4*cos|- - --|*cos|- -- + ---|
\2 2 / \ 2 2 /
---------------------------------------------------------
/ 2/x pi\\ / 2/ pi k*x\\
| cos |- - --|| | cos |- -- + ---||
| \2 2 /| | \ 2 2 /| /x\ /k*x\
|1 + ------------|*|1 + ----------------|*cos|-|*cos|---|
| 2/x\ | | 2/k*x\ | \2/ \ 2 /
| cos |-| | | cos |---| |
\ \2/ / \ \ 2 / /
$$\frac{4 \cos{\left(\frac{x}{2} - \frac{\pi}{2} \right)} \cos{\left(\frac{k x}{2} - \frac{\pi}{2} \right)}}{\left(1 + \frac{\cos^{2}{\left(\frac{x}{2} - \frac{\pi}{2} \right)}}{\cos^{2}{\left(\frac{x}{2} \right)}}\right) \left(1 + \frac{\cos^{2}{\left(\frac{k x}{2} - \frac{\pi}{2} \right)}}{\cos^{2}{\left(\frac{k x}{2} \right)}}\right) \cos{\left(\frac{x}{2} \right)} \cos{\left(\frac{k x}{2} \right)}}$$
/pi x\ /pi k*x\
4*csc|-- - -|*csc|-- - ---|
\2 2/ \2 2 /
-------------------------------------------------------
/ 2/pi x\\ / 2/pi k*x\\
| csc |-- - -|| | csc |-- - ---||
| \2 2/| | \2 2 /| /x\ /k*x\
|1 + ------------|*|1 + --------------|*csc|-|*csc|---|
| 2/x\ | | 2/k*x\ | \2/ \ 2 /
| csc |-| | | csc |---| |
\ \2/ / \ \ 2 / /
$$\frac{4 \csc{\left(- \frac{x}{2} + \frac{\pi}{2} \right)} \csc{\left(- \frac{k x}{2} + \frac{\pi}{2} \right)}}{\left(1 + \frac{\csc^{2}{\left(- \frac{x}{2} + \frac{\pi}{2} \right)}}{\csc^{2}{\left(\frac{x}{2} \right)}}\right) \left(1 + \frac{\csc^{2}{\left(- \frac{k x}{2} + \frac{\pi}{2} \right)}}{\csc^{2}{\left(\frac{k x}{2} \right)}}\right) \csc{\left(\frac{x}{2} \right)} \csc{\left(\frac{k x}{2} \right)}}$$
// / 3*pi\ \ // /3*pi \ \
|| 1 for |x + ----| mod 2*pi = 0| || 1 for |---- + k*x| mod 2*pi = 0|
|| \ 2 / | || \ 2 / |
|| | || |
|| 2/x pi\ | || 2/pi k*x\ |
|<-1 + tan |- + --| |*|<-1 + tan |-- + ---| |
|| \2 4 / | || \4 2 / |
||----------------- otherwise | ||------------------- otherwise |
|| 2/x pi\ | || 2/pi k*x\ |
|| 1 + tan |- + --| | || 1 + tan |-- + ---| |
\\ \2 4 / / \\ \4 2 / /
$$\left(\begin{cases} 1 & \text{for}\: \left(x + \frac{3 \pi}{2}\right) \bmod 2 \pi = 0 \\\frac{\tan^{2}{\left(\frac{x}{2} + \frac{\pi}{4} \right)} - 1}{\tan^{2}{\left(\frac{x}{2} + \frac{\pi}{4} \right)} + 1} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: \left(k x + \frac{3 \pi}{2}\right) \bmod 2 \pi = 0 \\\frac{\tan^{2}{\left(\frac{k x}{2} + \frac{\pi}{4} \right)} - 1}{\tan^{2}{\left(\frac{k x}{2} + \frac{\pi}{4} \right)} + 1} & \text{otherwise} \end{cases}\right)$$
/ 1 for x*(-1 + k) mod 2*pi = 0 / 1 for x*(1 + k) mod 2*pi = 0
| |
| 2/x*(-1 + k)\ | 2/x*(1 + k)\
|-1 + cot |----------| |-1 + cot |---------|
< \ 2 / < \ 2 /
|--------------------- otherwise |-------------------- otherwise
| 2/x*(-1 + k)\ | 2/x*(1 + k)\
| 1 + cot |----------| |1 + cot |---------|
\ \ 2 / \ \ 2 /
--------------------------------------------------- - -------------------------------------------------
2 2
$$\left(\frac{\begin{cases} 1 & \text{for}\: x \left(k - 1\right) \bmod 2 \pi = 0 \\\frac{\cot^{2}{\left(\frac{x \left(k - 1\right)}{2} \right)} - 1}{\cot^{2}{\left(\frac{x \left(k - 1\right)}{2} \right)} + 1} & \text{otherwise} \end{cases}}{2}\right) - \left(\frac{\begin{cases} 1 & \text{for}\: x \left(k + 1\right) \bmod 2 \pi = 0 \\\frac{\cot^{2}{\left(\frac{x \left(k + 1\right)}{2} \right)} - 1}{\cot^{2}{\left(\frac{x \left(k + 1\right)}{2} \right)} + 1} & \text{otherwise} \end{cases}}{2}\right)$$
// 0 for x mod pi = 0\ // 0 for k*x mod pi = 0\
|| | || |
|| sin(x) | || sin(k*x) |
||----------------------- otherwise | ||--------------------------- otherwise |
||/ 2 \ | ||/ 2 \ |
|<| sin (x) | 2/x\ |*|<| sin (k*x) | 2/k*x\ |
|||1 + ---------|*sin |-| | |||1 + -----------|*sin |---| |
||| 4/x\| \2/ | ||| 4/k*x\| \ 2 / |
||| 4*sin |-|| | ||| 4*sin |---|| |
||\ \2// | ||\ \ 2 // |
\\ / \\ /
$$\left(\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\frac{\sin{\left(x \right)}}{\left(1 + \frac{\sin^{2}{\left(x \right)}}{4 \sin^{4}{\left(\frac{x}{2} \right)}}\right) \sin^{2}{\left(\frac{x}{2} \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\frac{\sin{\left(k x \right)}}{\left(1 + \frac{\sin^{2}{\left(k x \right)}}{4 \sin^{4}{\left(\frac{k x}{2} \right)}}\right) \sin^{2}{\left(\frac{k x}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
// 0 for x mod pi = 0\ // 0 for k*x mod pi = 0\
|| | || |
||/ 0 for x mod pi = 0 | ||/ 0 for k*x mod pi = 0 |
||| | ||| |
||| /x\ | ||| /k*x\ |
|<| 2*cot|-| |*|<| 2*cot|---| |
||< \2/ otherwise | ||< \ 2 / otherwise |
|||----------- otherwise | |||------------- otherwise |
||| 2/x\ | ||| 2/k*x\ |
|||1 + cot |-| | |||1 + cot |---| |
\\\ \2/ / \\\ \ 2 / /
$$\left(\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\frac{2 \cot{\left(\frac{x}{2} \right)}}{\cot^{2}{\left(\frac{x}{2} \right)} + 1} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\frac{2 \cot{\left(\frac{k x}{2} \right)}}{\cot^{2}{\left(\frac{k x}{2} \right)} + 1} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right)$$
// 0 for x mod pi = 0\ // 0 for k*x mod pi = 0\
|| | || |
|| 2*sin(x) | || 2*sin(k*x) |
||---------------------------- otherwise | ||-------------------------------- otherwise |
|| / 2 \ | || / 2 \ |
|< | sin (x) | |*|< | sin (k*x) | |
||(1 - cos(x))*|1 + ---------| | ||(1 - cos(k*x))*|1 + -----------| |
|| | 4/x\| | || | 4/k*x\| |
|| | 4*sin |-|| | || | 4*sin |---|| |
|| \ \2// | || \ \ 2 // |
\\ / \\ /
$$\left(\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\frac{2 \sin{\left(x \right)}}{\left(1 + \frac{\sin^{2}{\left(x \right)}}{4 \sin^{4}{\left(\frac{x}{2} \right)}}\right) \left(- \cos{\left(x \right)} + 1\right)} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\frac{2 \sin{\left(k x \right)}}{\left(1 + \frac{\sin^{2}{\left(k x \right)}}{4 \sin^{4}{\left(\frac{k x}{2} \right)}}\right) \left(- \cos{\left(k x \right)} + 1\right)} & \text{otherwise} \end{cases}\right)$$
// 0 for x mod pi = 0\ // 0 for k*x mod pi = 0\
|| | || |
|| /x pi\ | || / pi k*x\ |
|| 2*sec|- - --| | || 2*sec|- -- + ---| |
|| \2 2 / | || \ 2 2 / |
||------------------------- otherwise | ||------------------------------- otherwise |
| 2/x pi\\ |*| 2/ pi k*x\\ |
||| sec |- - --|| | ||| sec |- -- + ---|| |
||| \2 2 /| /x\ | ||| \ 2 2 /| /k*x\ |
|||1 + ------------|*sec|-| | |||1 + ----------------|*sec|---| |
||| 2/x\ | \2/ | ||| 2/k*x\ | \ 2 / |
||| sec |-| | | ||| sec |---| | |
\\\ \2/ / / \\\ \ 2 / / /
$$\left(\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\frac{2 \sec{\left(\frac{x}{2} - \frac{\pi}{2} \right)}}{\left(1 + \frac{\sec^{2}{\left(\frac{x}{2} - \frac{\pi}{2} \right)}}{\sec^{2}{\left(\frac{x}{2} \right)}}\right) \sec{\left(\frac{x}{2} \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\frac{2 \sec{\left(\frac{k x}{2} - \frac{\pi}{2} \right)}}{\left(1 + \frac{\sec^{2}{\left(\frac{k x}{2} - \frac{\pi}{2} \right)}}{\sec^{2}{\left(\frac{k x}{2} \right)}}\right) \sec{\left(\frac{k x}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
// 0 for x mod pi = 0\ // 0 for k*x mod pi = 0\
|| | || |
|| /x\ | || /k*x\ |
|| 2*cos|-| | || 2*cos|---| |
|| \2/ | || \ 2 / |
||------------------------------ otherwise | ||-------------------------------------- otherwise |
| 2/x\ \ |*| 2/k*x\ \ |
||| cos |-| | | ||| cos |---| | |
||| \2/ | /x pi\ | ||| \ 2 / | / pi k*x\ |
|||1 + ------------|*cos|- - --| | |||1 + ----------------|*cos|- -- + ---| |
||| 2/x pi\| \2 2 / | ||| 2/ pi k*x\| \ 2 2 / |
||| cos |- - --|| | ||| cos |- -- + ---|| |
\\\ \2 2 // / \\\ \ 2 2 // /
$$\left(\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\frac{2 \cos{\left(\frac{x}{2} \right)}}{\left(\frac{\cos^{2}{\left(\frac{x}{2} \right)}}{\cos^{2}{\left(\frac{x}{2} - \frac{\pi}{2} \right)}} + 1\right) \cos{\left(\frac{x}{2} - \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\frac{2 \cos{\left(\frac{k x}{2} \right)}}{\left(\frac{\cos^{2}{\left(\frac{k x}{2} \right)}}{\cos^{2}{\left(\frac{k x}{2} - \frac{\pi}{2} \right)}} + 1\right) \cos{\left(\frac{k x}{2} - \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
// 0 for x mod pi = 0\ // 0 for k*x mod pi = 0\
|| | || |
|| /x\ | || /k*x\ |
|| 2*csc|-| | || 2*csc|---| |
|| \2/ | || \ 2 / |
||------------------------------ otherwise | ||---------------------------------- otherwise |
| 2/x\ \ |*| 2/k*x\ \ |
||| csc |-| | | ||| csc |---| | |
||| \2/ | /pi x\ | ||| \ 2 / | /pi k*x\ |
|||1 + ------------|*csc|-- - -| | |||1 + --------------|*csc|-- - ---| |
||| 2/pi x\| \2 2/ | ||| 2/pi k*x\| \2 2 / |
||| csc |-- - -|| | ||| csc |-- - ---|| |
\\\ \2 2// / \\\ \2 2 // /
$$\left(\begin{cases} 0 & \text{for}\: x \bmod \pi = 0 \\\frac{2 \csc{\left(\frac{x}{2} \right)}}{\left(\frac{\csc^{2}{\left(\frac{x}{2} \right)}}{\csc^{2}{\left(- \frac{x}{2} + \frac{\pi}{2} \right)}} + 1\right) \csc{\left(- \frac{x}{2} + \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: k x \bmod \pi = 0 \\\frac{2 \csc{\left(\frac{k x}{2} \right)}}{\left(\frac{\csc^{2}{\left(\frac{k x}{2} \right)}}{\csc^{2}{\left(- \frac{k x}{2} + \frac{\pi}{2} \right)}} + 1\right) \csc{\left(- \frac{k x}{2} + \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
Piecewise((0, Mod(x = pi, 0)), (2*csc(x/2)/((1 + csc(x/2)^2/csc(pi/2 - x/2)^2)*csc(pi/2 - x/2)), True))*Piecewise((0, Mod(k*x = pi, 0)), (2*csc(k*x/2)/((1 + csc(k*x/2)^2/csc(pi/2 - k*x/2)^2)*csc(pi/2 - k*x/2)), True))