_________ x / 2 \/ cot (x)
/ _________\ d |x / 2 | --\\/ cot (x) / dx
Не могу найти шаги в поиске этой производной.
Но производная
Теперь упростим:
Ответ:
2
- / / 2 \ 2 \
x | log\cot (x)/ -2 - 2*cot (x)|
|cot(x)| *|- ------------ + --------------|
| 2 x*cot(x) |
\ x /
/ / / 2 \ / 2 \\ / / 2 \ \ \
2 | 2 |log\cot (x)/ 2*\1 + cot (x)/| |log(|cot(x)|) \1 + cot (x)/*sign(cot(x))| |
- | / 2 \ / 2 \ |------------ + ---------------|*|------------- + --------------------------| / 2 \|
x | 2 log\cot (x)/ \1 + cot (x)/ \ x cot(x) / \ x |cot(x)| / 2*\1 + cot (x)/|
2*|cot(x)| *|2 + 2*cot (x) + ------------ - -------------- + ----------------------------------------------------------------------------- + ---------------|
| 2 2 x x*cot(x) |
\ x cot (x) /
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x
/ / 2 2 \ / 2 \ \
| / / 2 \ / 2 \\ | / 2 \ 2 / 2 \ / 2 \ / 2 \ | 2 / / 2 \ \ | / 2 \ / 2 \ / 2 \| |
| |log\cot (x)/ 2*\1 + cot (x)/| |2*log(|cot(x)|) \1 + cot (x)/ *sign (cot(x)) 2*\1 + cot (x)/ *DiracDelta(cot(x)) 2*\1 + cot (x)/*sign(cot(x)) 2*\1 + cot (x)/*cot(x)*sign(cot(x))| / / 2 \ \ / / 2 \ / 2 \\ |log(|cot(x)|) \1 + cot (x)/*sign(cot(x))| | 2 log\cot (x)/ \1 + cot (x)/ 2*\1 + cot (x)/| |
2 | 2 3 |------------ + ---------------|*|--------------- - ---------------------------- + ----------------------------------- + ---------------------------- + -----------------------------------| 2 |log(|cot(x)|) \1 + cot (x)/*sign(cot(x))| |log\cot (x)/ 2*\1 + cot (x)/| 4*|------------- + --------------------------|*|2 + 2*cot (x) + ------------ - -------------- + ---------------| |
- | / 2 \ / 2 \ / 2 \ / 2 \ \ x cot(x) / | 2 2 |cot(x)| x*|cot(x)| |cot(x)| | / 2 \ 2*|------------- + --------------------------| *|------------ + ---------------| \ x |cot(x)| / | 2 2 x*cot(x) | / 2 \|
x | 4*\1 + cot (x)/ 2*\1 + cot (x)/ 3*log\cot (x)/ / 2 \ 6*\1 + cot (x)/ \ x cot (x) / 3*\1 + cot (x)/ \ x |cot(x)| / \ x cot(x) / \ x cot (x) / 6*\1 + cot (x)/|
-2*|cot(x)| *|- ---------------- + ---------------- + -------------- + 4*\1 + cot (x)/*cot(x) + --------------- + -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - ---------------- + -------------------------------------------------------------------------------- + ---------------------------------------------------------------------------------------------------------------- + ---------------|
| cot(x) 3 3 x x 2 2 x 2 |
\ cot (x) x x*cot (x) x x *cot(x) /
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x