Тригонометрическая часть
[src]
$$\sin{\left(12 x \right)}$$
$$\frac{1}{\csc{\left(12 x \right)}}$$
/ pi\
cos|12*x - --|
\ 2 /
$$\cos{\left(12 x - \frac{\pi}{2} \right)}$$
1
--------------
/ pi\
sec|12*x - --|
\ 2 /
$$\frac{1}{\sec{\left(12 x - \frac{\pi}{2} \right)}}$$
2
-----------------
csc(6*x)*sec(6*x)
$$\frac{2}{\csc{\left(6 x \right)} \sec{\left(6 x \right)}}$$
2*tan(6*x)
-------------
2
1 + tan (6*x)
$$\frac{2 \tan{\left(6 x \right)}}{\tan^{2}{\left(6 x \right)} + 1}$$
/pi \
2*sin(6*x)*sin|-- + 6*x|
\2 /
$$2 \sin{\left(6 x \right)} \sin{\left(6 x + \frac{\pi}{2} \right)}$$
/ pi\
2*cos(6*x)*cos|6*x - --|
\ 2 /
$$2 \cos{\left(6 x \right)} \cos{\left(6 x - \frac{\pi}{2} \right)}$$
2
----------------------
/ pi\
sec(6*x)*sec|6*x - --|
\ 2 /
$$\frac{2}{\sec{\left(6 x \right)} \sec{\left(6 x - \frac{\pi}{2} \right)}}$$
2
----------------------
/pi \
sec(6*x)*sec|-- - 6*x|
\2 /
$$\frac{2}{\sec{\left(6 x \right)} \sec{\left(- 6 x + \frac{\pi}{2} \right)}}$$
2
----------------------
/pi \
csc(6*x)*csc|-- - 6*x|
\2 /
$$\frac{2}{\csc{\left(6 x \right)} \csc{\left(- 6 x + \frac{\pi}{2} \right)}}$$
/ 2 \
2*\-1 + 2*cos (3*x)/*sin(6*x)
$$2 \cdot \left(2 \cos^{2}{\left(3 x \right)} - 1\right) \sin{\left(6 x \right)}$$
2
---------------------------
/pi \
csc(pi - 6*x)*csc|-- - 6*x|
\2 /
$$\frac{2}{\csc{\left(- 6 x + \pi \right)} \csc{\left(- 6 x + \frac{\pi}{2} \right)}}$$
/ 2 \
4*\-1 + 2*cos (3*x)/*cos(3*x)*sin(3*x)
$$4 \cdot \left(2 \cos^{2}{\left(3 x \right)} - 1\right) \sin{\left(3 x \right)} \cos{\left(3 x \right)}$$
/ 0 for 12*x mod pi = 0
<
\sin(12*x) otherwise
$$\begin{cases} 0 & \text{for}\: 12 x \bmod \pi = 0 \\\sin{\left(12 x \right)} & \text{otherwise} \end{cases}$$
/ 2 2 \
4*\cos (3*x) - sin (3*x)/*cos(3*x)*sin(3*x)
$$4 \left(- \sin^{2}{\left(3 x \right)} + \cos^{2}{\left(3 x \right)}\right) \sin{\left(3 x \right)} \cos{\left(3 x \right)}$$
/ 2 \
4*\1 - tan (3*x)/*tan(3*x)
--------------------------
2
/ 2 \
\1 + tan (3*x)/
$$\frac{4 \cdot \left(- \tan^{2}{\left(3 x \right)} + 1\right) \tan{\left(3 x \right)}}{\left(\tan^{2}{\left(3 x \right)} + 1\right)^{2}}$$
/ 0 for 12*x mod pi = 0
|
| 2*cot(6*x)
<------------- otherwise
| 2
|1 + cot (6*x)
\
$$\begin{cases} 0 & \text{for}\: 12 x \bmod \pi = 0 \\\frac{2 \cot{\left(6 x \right)}}{\cot^{2}{\left(6 x \right)} + 1} & \text{otherwise} \end{cases}$$
/ 1 \
4*|1 - ---------|
| 2 |
\ cot (3*x)/
-------------------------
2
/ 1 \
|1 + ---------| *cot(3*x)
| 2 |
\ cot (3*x)/
$$\frac{4 \cdot \left(1 - \frac{1}{\cot^{2}{\left(3 x \right)}}\right)}{\left(1 + \frac{1}{\cot^{2}{\left(3 x \right)}}\right)^{2} \cot{\left(3 x \right)}}$$
2 / 2/ pi\\ / 2 \
cos (3*x)*|1 - cot |3*x + --||*\1 - tan (3*x)/*(1 + sin(6*x))
\ \ 4 //
$$\left(- \tan^{2}{\left(3 x \right)} + 1\right) \left(- \cot^{2}{\left(3 x + \frac{\pi}{4} \right)} + 1\right) \left(\sin{\left(6 x \right)} + 1\right) \cos^{2}{\left(3 x \right)}$$
/ pi\
8*tan(3*x)*tan|3*x + --|
\ 4 /
------------------------------------
/ 2 \ / 2/ pi\\
\1 + tan (3*x)/*|1 + tan |3*x + --||
\ \ 4 //
$$\frac{8 \tan{\left(3 x \right)} \tan{\left(3 x + \frac{\pi}{4} \right)}}{\left(\tan^{2}{\left(3 x \right)} + 1\right) \left(\tan^{2}{\left(3 x + \frac{\pi}{4} \right)} + 1\right)}$$
/ pi\
8*cot(3*x)*tan|3*x + --|
\ 4 /
------------------------------------
/ 2 \ / 2/ pi\\
\1 + cot (3*x)/*|1 + tan |3*x + --||
\ \ 4 //
$$\frac{8 \tan{\left(3 x + \frac{\pi}{4} \right)} \cot{\left(3 x \right)}}{\left(\tan^{2}{\left(3 x + \frac{\pi}{4} \right)} + 1\right) \left(\cot^{2}{\left(3 x \right)} + 1\right)}$$
/ 2 \ / 2/ pi\\
2*\-1 + cot (3*x)/*|-1 + tan |3*x + --||
\ \ 4 //
----------------------------------------
/ 2 \ / 2/ pi\\
\1 + cot (3*x)/*|1 + tan |3*x + --||
\ \ 4 //
$$\frac{2 \left(\tan^{2}{\left(3 x + \frac{\pi}{4} \right)} - 1\right) \left(\cot^{2}{\left(3 x \right)} - 1\right)}{\left(\tan^{2}{\left(3 x + \frac{\pi}{4} \right)} + 1\right) \left(\cot^{2}{\left(3 x \right)} + 1\right)}$$
/ 2/ pi\\ / 2 \
2*|1 - cot |3*x + --||*\1 - tan (3*x)/
\ \ 4 //
--------------------------------------
/ 2/ pi\\ / 2 \
|1 + cot |3*x + --||*\1 + tan (3*x)/
\ \ 4 //
$$\frac{2 \cdot \left(- \tan^{2}{\left(3 x \right)} + 1\right) \left(- \cot^{2}{\left(3 x + \frac{\pi}{4} \right)} + 1\right)}{\left(\tan^{2}{\left(3 x \right)} + 1\right) \left(\cot^{2}{\left(3 x + \frac{\pi}{4} \right)} + 1\right)}$$
/ 4 \
2 | 4*sin (3*x)|
8*sin (3*x)*|1 - -----------|
| 2 |
\ sin (6*x) /
-----------------------------
2
/ 4 \
| 4*sin (3*x)|
|1 + -----------| *sin(6*x)
| 2 |
\ sin (6*x) /
$$\frac{8 \left(- \frac{4 \sin^{4}{\left(3 x \right)}}{\sin^{2}{\left(6 x \right)}} + 1\right) \sin^{2}{\left(3 x \right)}}{\left(\frac{4 \sin^{4}{\left(3 x \right)}}{\sin^{2}{\left(6 x \right)}} + 1\right)^{2} \sin{\left(6 x \right)}}$$
// 0 for 6*x mod pi = 0\ // 1 for 3*x mod pi = 0\
2*|< |*|< |
\\sin(6*x) otherwise / \\cos(6*x) otherwise /
$$2 \left(\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\sin{\left(6 x \right)} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\cos{\left(6 x \right)} & \text{otherwise} \end{cases}\right)$$
// 0 for 6*x mod pi = 0\
|| | // 1 for 3*x mod pi = 0\
2*|< / pi\ |*|< |
||cos|6*x - --| otherwise | \\cos(6*x) otherwise /
\\ \ 2 / /
$$2 \left(\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\cos{\left(6 x - \frac{\pi}{2} \right)} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\cos{\left(6 x \right)} & \text{otherwise} \end{cases}\right)$$
// 1 for 3*x mod pi = 0\
// 0 for 6*x mod pi = 0\ || |
2*|< |*|< /pi \ |
\\sin(6*x) otherwise / ||sin|-- + 6*x| otherwise |
\\ \2 / /
$$2 \left(\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\sin{\left(6 x \right)} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\sin{\left(6 x + \frac{\pi}{2} \right)} & \text{otherwise} \end{cases}\right)$$
// / 3*pi\ \
// 1 for 3*x mod pi = 0\ || 1 for |6*x + ----| mod 2*pi = 0|
2*|< |*|< \ 2 / |
\\cos(6*x) otherwise / || |
\\sin(6*x) otherwise /
$$2 \left(\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\cos{\left(6 x \right)} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: \left(6 x + \frac{3 \pi}{2}\right) \bmod 2 \pi = 0 \\\sin{\left(6 x \right)} & \text{otherwise} \end{cases}\right)$$
/ 2 \
| sec (3*x) |
4*|1 - --------------|*sec(3*x)
| 2/ pi\|
| sec |3*x - --||
\ \ 2 //
-----------------------------------
2
/ 2 \
| sec (3*x) | / pi\
|1 + --------------| *sec|3*x - --|
| 2/ pi\| \ 2 /
| sec |3*x - --||
\ \ 2 //
$$\frac{4 \left(- \frac{\sec^{2}{\left(3 x \right)}}{\sec^{2}{\left(3 x - \frac{\pi}{2} \right)}} + 1\right) \sec{\left(3 x \right)}}{\left(\frac{\sec^{2}{\left(3 x \right)}}{\sec^{2}{\left(3 x - \frac{\pi}{2} \right)}} + 1\right)^{2} \sec{\left(3 x - \frac{\pi}{2} \right)}}$$
// 0 for 6*x mod pi = 0\
|| | // 1 for 3*x mod pi = 0\
|| 1 | || |
2*|<------------- otherwise |*|< 1 |
|| / pi\ | ||-------- otherwise |
||sec|6*x - --| | \\sec(6*x) /
\\ \ 2 / /
$$2 \left(\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\frac{1}{\sec{\left(6 x - \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\frac{1}{\sec{\left(6 x \right)}} & \text{otherwise} \end{cases}\right)$$
// 1 for 3*x mod pi = 0\
// 0 for 6*x mod pi = 0\ || |
|| | || 1 |
2*|< 1 |*|<------------- otherwise |
||-------- otherwise | || /pi \ |
\\csc(6*x) / ||csc|-- - 6*x| |
\\ \2 / /
$$2 \left(\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\frac{1}{\csc{\left(6 x \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\frac{1}{\csc{\left(- 6 x + \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
/ 2/ pi\\
| cos |3*x - --||
| \ 2 /| / pi\
4*|1 - --------------|*cos|3*x - --|
| 2 | \ 2 /
\ cos (3*x) /
------------------------------------
2
/ 2/ pi\\
| cos |3*x - --||
| \ 2 /|
|1 + --------------| *cos(3*x)
| 2 |
\ cos (3*x) /
$$\frac{4 \cdot \left(1 - \frac{\cos^{2}{\left(3 x - \frac{\pi}{2} \right)}}{\cos^{2}{\left(3 x \right)}}\right) \cos{\left(3 x - \frac{\pi}{2} \right)}}{\left(1 + \frac{\cos^{2}{\left(3 x - \frac{\pi}{2} \right)}}{\cos^{2}{\left(3 x \right)}}\right)^{2} \cos{\left(3 x \right)}}$$
/ 2/pi \\
| csc |-- - 3*x||
| \2 /| /pi \
4*|1 - --------------|*csc|-- - 3*x|
| 2 | \2 /
\ csc (3*x) /
------------------------------------
2
/ 2/pi \\
| csc |-- - 3*x||
| \2 /|
|1 + --------------| *csc(3*x)
| 2 |
\ csc (3*x) /
$$\frac{4 \cdot \left(1 - \frac{\csc^{2}{\left(- 3 x + \frac{\pi}{2} \right)}}{\csc^{2}{\left(3 x \right)}}\right) \csc{\left(- 3 x + \frac{\pi}{2} \right)}}{\left(1 + \frac{\csc^{2}{\left(- 3 x + \frac{\pi}{2} \right)}}{\csc^{2}{\left(3 x \right)}}\right)^{2} \csc{\left(3 x \right)}}$$
// /pi \ \
|| 0 for |-- + 6*x| mod pi = 0|
// 0 for 6*x mod pi = 0\ || \2 / |
2*|< |*|< |
\\sin(6*x) otherwise / || / pi\ |
||(1 + sin(6*x))*cot|3*x + --| otherwise |
\\ \ 4 / /
$$2 \left(\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\sin{\left(6 x \right)} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: \left(6 x + \frac{\pi}{2}\right) \bmod \pi = 0 \\\left(\sin{\left(6 x \right)} + 1\right) \cot{\left(3 x + \frac{\pi}{4} \right)} & \text{otherwise} \end{cases}\right)$$
// 0 for 6*x mod pi = 0\ // 1 for 3*x mod pi = 0\
|| | || |
|| 2*cot(3*x) | || 2 |
2*|<------------- otherwise |*|<-1 + cot (3*x) |
|| 2 | ||-------------- otherwise |
||1 + cot (3*x) | || 2 |
\\ / \\1 + cot (3*x) /
$$2 \left(\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\frac{2 \cot{\left(3 x \right)}}{\cot^{2}{\left(3 x \right)} + 1} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\frac{\cot^{2}{\left(3 x \right)} - 1}{\cot^{2}{\left(3 x \right)} + 1} & \text{otherwise} \end{cases}\right)$$
// 0 for 6*x mod pi = 0\ // 1 for 3*x mod pi = 0\
|| | || |
|| 2*tan(3*x) | || 2 |
2*|<------------- otherwise |*|<1 - tan (3*x) |
|| 2 | ||------------- otherwise |
||1 + tan (3*x) | || 2 |
\\ / \\1 + tan (3*x) /
$$2 \left(\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\frac{2 \tan{\left(3 x \right)}}{\tan^{2}{\left(3 x \right)} + 1} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\frac{- \tan^{2}{\left(3 x \right)} + 1}{\tan^{2}{\left(3 x \right)} + 1} & \text{otherwise} \end{cases}\right)$$
// 1 for 3*x mod pi = 0\
// 0 for 6*x mod pi = 0\ || |
|| | || 1 |
|| 2 | ||-1 + --------- |
||------------------------ otherwise | || 2 |
2*| 1 \ |*|< tan (3*x) |
|||1 + ---------|*tan(3*x) | ||-------------- otherwise |
||| 2 | | || 1 |
||\ tan (3*x)/ | ||1 + --------- |
\\ / || 2 |
\\ tan (3*x) /
$$2 \left(\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\frac{2}{\left(1 + \frac{1}{\tan^{2}{\left(3 x \right)}}\right) \tan{\left(3 x \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\frac{-1 + \frac{1}{\tan^{2}{\left(3 x \right)}}}{1 + \frac{1}{\tan^{2}{\left(3 x \right)}}} & \text{otherwise} \end{cases}\right)$$
// /pi \ \
|| 0 for |-- + 6*x| mod pi = 0|
// 0 for 6*x mod pi = 0\ || \2 / |
|| | || |
|| 2*cot(3*x) | || / pi\ |
2*|<------------- otherwise |*|< 2*cot|3*x + --| |
|| 2 | || \ 4 / |
||1 + cot (3*x) | ||------------------ otherwise |
\\ / || 2/ pi\ |
||1 + cot |3*x + --| |
\\ \ 4 / /
$$2 \left(\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\frac{2 \cot{\left(3 x \right)}}{\cot^{2}{\left(3 x \right)} + 1} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: \left(6 x + \frac{\pi}{2}\right) \bmod \pi = 0 \\\frac{2 \cot{\left(3 x + \frac{\pi}{4} \right)}}{\cot^{2}{\left(3 x + \frac{\pi}{4} \right)} + 1} & \text{otherwise} \end{cases}\right)$$
// / 3*pi\ \
|| 1 for |6*x + ----| mod 2*pi = 0|
// 1 for 3*x mod pi = 0\ || \ 2 / |
|| | || |
|| 2 | || 2/ pi\ |
2*|<-1 + cot (3*x) |*|<-1 + tan |3*x + --| |
||-------------- otherwise | || \ 4 / |
|| 2 | ||------------------- otherwise |
\\1 + cot (3*x) / || 2/ pi\ |
|| 1 + tan |3*x + --| |
\\ \ 4 / /
$$2 \left(\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\frac{\cot^{2}{\left(3 x \right)} - 1}{\cot^{2}{\left(3 x \right)} + 1} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: \left(6 x + \frac{3 \pi}{2}\right) \bmod 2 \pi = 0 \\\frac{\tan^{2}{\left(3 x + \frac{\pi}{4} \right)} - 1}{\tan^{2}{\left(3 x + \frac{\pi}{4} \right)} + 1} & \text{otherwise} \end{cases}\right)$$
// 0 for 6*x mod pi = 0\ // 1 for 3*x mod pi = 0\
|| | || |
2*| 0 for 6*x mod pi = 0 |*| 1 for 3*x mod pi = 0 |
||< otherwise | ||< otherwise |
\\\sin(6*x) otherwise / \\\cos(6*x) otherwise /
$$2 \left(\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\sin{\left(6 x \right)} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\cos{\left(6 x \right)} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right)$$
// 1 for 3*x mod pi = 0\
|| |
// 0 for 6*x mod pi = 0\ || 2 |
|| | || sin (6*x) |
|| sin(6*x) | ||-1 + ----------- |
||--------------------------- otherwise | || 4 |
2*| 2 \ |*|< 4*sin (3*x) |
||| sin (6*x) | 2 | ||---------------- otherwise |
|||1 + -----------|*sin (3*x) | || 2 |
||| 4 | | || sin (6*x) |
\\\ 4*sin (3*x)/ / ||1 + ----------- |
|| 4 |
\\ 4*sin (3*x) /
$$2 \left(\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\frac{\sin{\left(6 x \right)}}{\left(1 + \frac{\sin^{2}{\left(6 x \right)}}{4 \sin^{4}{\left(3 x \right)}}\right) \sin^{2}{\left(3 x \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\frac{-1 + \frac{\sin^{2}{\left(6 x \right)}}{4 \sin^{4}{\left(3 x \right)}}}{1 + \frac{\sin^{2}{\left(6 x \right)}}{4 \sin^{4}{\left(3 x \right)}}} & \text{otherwise} \end{cases}\right)$$
// 0 for 6*x mod pi = 0\ // 1 for 3*x mod pi = 0\
|| | || |
||/ 0 for 6*x mod pi = 0 | ||/ 1 for 3*x mod pi = 0 |
||| | ||| |
2*|<| 2*cot(3*x) |*|<| 2 |
||<------------- otherwise otherwise | ||<-1 + cot (3*x) otherwise |
||| 2 | |||-------------- otherwise |
|||1 + cot (3*x) | ||| 2 |
\\\ / \\\1 + cot (3*x) /
$$2 \left(\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\frac{2 \cot{\left(3 x \right)}}{\cot^{2}{\left(3 x \right)} + 1} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\frac{\cot^{2}{\left(3 x \right)} - 1}{\cot^{2}{\left(3 x \right)} + 1} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right)$$
// 1 for 3*x mod pi = 0\
|| |
// 0 for 6*x mod pi = 0\ || 2 |
|| | || cos (3*x) |
|| 2*cos(3*x) | ||-1 + -------------- |
||---------------------------------- otherwise | || 2/ pi\ |
||/ 2 \ | || cos |3*x - --| |
2*|<| cos (3*x) | / pi\ |*|< \ 2 / |
|||1 + --------------|*cos|3*x - --| | ||------------------- otherwise |
||| 2/ pi\| \ 2 / | || 2 |
||| cos |3*x - --|| | || cos (3*x) |
||\ \ 2 // | || 1 + -------------- |
\\ / || 2/ pi\ |
|| cos |3*x - --| |
\\ \ 2 / /
$$2 \left(\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\frac{2 \cos{\left(3 x \right)}}{\left(\frac{\cos^{2}{\left(3 x \right)}}{\cos^{2}{\left(3 x - \frac{\pi}{2} \right)}} + 1\right) \cos{\left(3 x - \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\frac{\frac{\cos^{2}{\left(3 x \right)}}{\cos^{2}{\left(3 x - \frac{\pi}{2} \right)}} - 1}{\frac{\cos^{2}{\left(3 x \right)}}{\cos^{2}{\left(3 x - \frac{\pi}{2} \right)}} + 1} & \text{otherwise} \end{cases}\right)$$
// 1 for 3*x mod pi = 0\
// 0 for 6*x mod pi = 0\ || |
|| | || 2/ pi\ |
|| / pi\ | || sec |3*x - --| |
|| 2*sec|3*x - --| | || \ 2 / |
|| \ 2 / | ||-1 + -------------- |
||----------------------------- otherwise | || 2 |
2*| 2/ pi\\ |*|< sec (3*x) |
||| sec |3*x - --|| | ||------------------- otherwise |
||| \ 2 /| | || 2/ pi\ |
|||1 + --------------|*sec(3*x) | || sec |3*x - --| |
||| 2 | | || \ 2 / |
||\ sec (3*x) / | || 1 + -------------- |
\\ / || 2 |
\\ sec (3*x) /
$$2 \left(\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\frac{2 \sec{\left(3 x - \frac{\pi}{2} \right)}}{\left(1 + \frac{\sec^{2}{\left(3 x - \frac{\pi}{2} \right)}}{\sec^{2}{\left(3 x \right)}}\right) \sec{\left(3 x \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\frac{-1 + \frac{\sec^{2}{\left(3 x - \frac{\pi}{2} \right)}}{\sec^{2}{\left(3 x \right)}}}{1 + \frac{\sec^{2}{\left(3 x - \frac{\pi}{2} \right)}}{\sec^{2}{\left(3 x \right)}}} & \text{otherwise} \end{cases}\right)$$
// 1 for 3*x mod pi = 0\
|| |
// 0 for 6*x mod pi = 0\ || 2 |
|| | || csc (3*x) |
|| 2*csc(3*x) | ||-1 + -------------- |
||---------------------------------- otherwise | || 2/pi \ |
||/ 2 \ | || csc |-- - 3*x| |
2*|<| csc (3*x) | /pi \ |*|< \2 / |
|||1 + --------------|*csc|-- - 3*x| | ||------------------- otherwise |
||| 2/pi \| \2 / | || 2 |
||| csc |-- - 3*x|| | || csc (3*x) |
||\ \2 // | || 1 + -------------- |
\\ / || 2/pi \ |
|| csc |-- - 3*x| |
\\ \2 / /
$$2 \left(\begin{cases} 0 & \text{for}\: 6 x \bmod \pi = 0 \\\frac{2 \csc{\left(3 x \right)}}{\left(\frac{\csc^{2}{\left(3 x \right)}}{\csc^{2}{\left(- 3 x + \frac{\pi}{2} \right)}} + 1\right) \csc{\left(- 3 x + \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: 3 x \bmod \pi = 0 \\\frac{\frac{\csc^{2}{\left(3 x \right)}}{\csc^{2}{\left(- 3 x + \frac{\pi}{2} \right)}} - 1}{\frac{\csc^{2}{\left(3 x \right)}}{\csc^{2}{\left(- 3 x + \frac{\pi}{2} \right)}} + 1} & \text{otherwise} \end{cases}\right)$$
2*Piecewise((0, Mod(6*x = pi, 0)), (2*csc(3*x)/((1 + csc(3*x)^2/csc(pi/2 - 3*x)^2)*csc(pi/2 - 3*x)), True))*Piecewise((1, Mod(3*x = pi, 0)), ((-1 + csc(3*x)^2/csc(pi/2 - 3*x)^2)/(1 + csc(3*x)^2/csc(pi/2 - 3*x)^2), True))