Opened 5 years ago

#18135 new enhancement

More trigonometric functions for CIF

Reported by: vdelecroix Owned by:
Priority: major Milestone: sage-6.6
Component: numerical Keywords:
Cc: tmonteil, jdemeyer Merged in:
Authors: Reviewers:
Report Upstream: N/A Work issues:
Branch: Commit:
Dependencies: #17285 Stopgaps:

Description

After #17285 CIF is still missing some trigonometric functions:

  • arccos, arcsin, arctan
  • arccosh, arcsinh, arctanh
  • cot, coth, arccot, arcoth
  • csc(x) = 1/sin(x), csch=1/sinh(x) and arccsc, arccsch
  • sec(x) = 1/cos(x), sech(x) = 1/cosh(x), arcsec, arcsech

Most of them are implemented in sage/rings/complex_number.pyx for complex numbers.

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