#16439: Allow inverse trig functions to all take complex input
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Reporter: kcrisman | Owner:
Type: defect | Status: new
Priority: minor | Milestone: sage-6.3
Component: symbolics | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by ppurka):
Why don't complex numbers have these attributes? This should be possible -
for example wolfram alpha
[http://www.wolframalpha.com/input/?i=acos%281%2F%28-0.9+%2B+i%29%29 gives
a value] for `acos(-0.9+i)`.
I think the computations should be performed using `CDF` and then coerced
back to `complex`. Complex output from these functions should be handled
by the plot function separately.
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Ticket URL: <http://trac.sagemath.org/ticket/16439#comment:1>
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