#18135: More trigonometric functions for CIF
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Reporter: vdelecroix | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.6
Component: numerical | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies: #17285
Stopgaps: |
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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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Ticket URL: <http://trac.sagemath.org/ticket/18135>
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