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Groups > comp.lang.python > #29150
| References | <ba77717e-d812-4132-b477-cc3a79c41476@googlegroups.com> |
|---|---|
| Date | 2012-09-14 20:54 +1000 |
| Subject | Re: What's wrong with my arc tangens calculation? |
| From | Chris Angelico <rosuav@gmail.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.693.1347620057.27098.python-list@python.org> (permalink) |
On Fri, Sep 14, 2012 at 8:49 PM, xliiv <tymoteusz.jankowski@gmail.com> wrote: > I do some math with python: > > import math as m > m.degrees(m.atan(2)) >>>> 63.43494882292201 > > but when i lookup tg in a paper table (last decade math book) i've got these values: > > tg(63'10'') = 1.9768 > tg(63'20'') = 1.9912 > tg(63'30'') = 2.0057 > > For me python should return something more like 63'2x'' than 63'4x''(becasue 63'30'' is higher than 2.0) According to Google: .43494882292201 degrees = 26.0969294 arcminutes So I would say that your table and Python are in agreement. Do you know what the notation 63'30" means? ChrisA
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What's wrong with my arc tangens calculation? xliiv <tymoteusz.jankowski@gmail.com> - 2012-09-14 03:49 -0700
Re: What's wrong with my arc tangens calculation? Chris Angelico <rosuav@gmail.com> - 2012-09-14 20:54 +1000
Re: What's wrong with my arc tangens calculation? Laszlo Nagy <gandalf@shopzeus.com> - 2012-09-14 12:54 +0200
Re: What's wrong with my arc tangens calculation? xliiv <tymoteusz.jankowski@gmail.com> - 2012-09-14 04:18 -0700
Re: What's wrong with my arc tangens calculation? xliiv <tymoteusz.jankowski@gmail.com> - 2012-09-14 04:18 -0700
Re: What's wrong with my arc tangens calculation? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-09-14 14:13 +0100
Re: What's wrong with my arc tangens calculation? Chris Angelico <rosuav@gmail.com> - 2012-09-14 23:17 +1000
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