acsc(0) -> zoo

[ethankward]

Fixes #17143. acsc(0) returns S.ComplexInfinity.

Release Notes

• functions
  • acsc(0) is automatically evaluated

[sympy-bot]

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• functions
  • acsc(0) is automatically evaluated (#17147 by @ethankward)

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Fixes #17143. `acsc(0)` returns `S.ComplexInfinity`.

#### Release Notes

<!-- BEGIN RELEASE NOTES -->
* functions
  * acsc(0) is automatically evaluated
<!-- END RELEASE NOTES -->

Update

The release notes on the wiki have been updated.

[codecov]

Codecov Report

Merging #17147 into master will decrease coverage by 9.033%.
The diff coverage is 0%.

@@              Coverage Diff              @@
##            master    #17147       +/-   ##
=============================================
- Coverage   74.487%   65.454%   -9.034%     
=============================================
  Files          623       623               
  Lines       161339    161341        +2     
  Branches     37863     37864        +1     
=============================================
- Hits        120178    105605    -14573     
- Misses       35833     49765    +13932     
- Partials      5328      5971      +643

[smichr]

Thanks for noticing. It's in.