Re: Angle Units For Trig Functions

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Sujet : Re: Angle Units For Trig Functions
De : sgk (at) *nospam* REMOVEtroutmask.apl.washington.edu (Steven G. Kargl)
Groupes : comp.lang.fortran
Date : 23. Oct 2024, 15:38:17
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <vfb1op$22ocr$1@dont-email.me>
References : 1 2 3 4 5 6 7 8 9
User-Agent : Pan/0.145 (Duplicitous mercenary valetism; d7e168a git.gnome.org/pan2)
On Wed, 23 Oct 2024 06:25:02 +0000, Lawrence D'Oliveiro wrote:

On Wed, 23 Oct 2024 07:59:24 +0200, R Daneel Olivaw wrote:
 
Lawrence D'Oliveiro wrote:
>
On Wed, 23 Oct 2024 04:06:26 -0000 (UTC), David Jones wrote:
 
Did you take a high school trigonometry class?
 
You seem obsessed with that.
 
So your favourite functions return an exact result for sin 30°. Do they
return an exact result for cos 30° as well?
 

Nope.  For REAL x, COSD(x) returns an exact result for all N >= 0
that satisfies 60+N*360 < 2**23.

--
steve

Date Sujet#  Auteur
20 Oct 24 * Angle Units For Trig Functions26Lawrence D'Oliveiro
20 Oct 24 +- Re: Angle Units For Trig Functions1yeti
20 Oct 24 `* Re: Angle Units For Trig Functions24Steven G. Kargl
22 Oct 24  `* Re: Angle Units For Trig Functions23Lawrence D'Oliveiro
22 Oct 24   +* Re: Angle Units For Trig Functions5Steven G. Kargl
22 Oct 24   i`* Re: Angle Units For Trig Functions4Lawrence D'Oliveiro
23 Oct 24   i `* Re: Angle Units For Trig Functions3Steven G. Kargl
23 Oct 24   i  `* Re: Angle Units For Trig Functions2Lawrence D'Oliveiro
23 Oct 24   i   `- Re: Angle Units For Trig Functions1Steven G. Kargl
23 Oct 24   `* Re: Angle Units For Trig Functions17Lawrence D'Oliveiro
23 Oct 24    `* Re: Angle Units For Trig Functions16David Jones
23 Oct 24     `* Re: Angle Units For Trig Functions15Lawrence D'Oliveiro
23 Oct 24      `* Re: Angle Units For Trig Functions14R Daneel Olivaw
23 Oct 24       `* Re: Angle Units For Trig Functions13Lawrence D'Oliveiro
23 Oct 24        `* Re: Angle Units For Trig Functions12Steven G. Kargl
23 Oct 24         `* Re: Angle Units For Trig Functions11Neil
24 Oct 24          +- Re: Angle Units For Trig Functions1Steven G. Kargl
24 Oct 24          +* Re: Angle Units For Trig Functions8Lawrence D'Oliveiro
24 Oct 24          i+* Re: Angle Units For Trig Functions6Steven G. Kargl
24 Oct 24          ii`* Re: Angle Units For Trig Functions5Lawrence D'Oliveiro
24 Oct 24          ii `* Re: Angle Units For Trig Functions4Steven G. Kargl
24 Oct 24          ii  `* Re: Angle Units For Trig Functions3Lawrence D'Oliveiro
24 Oct 24          ii   `* Re: Angle Units For Trig Functions2Steven G. Kargl
24 Oct 24          ii    `- Re: Angle Units For Trig Functions1Lawrence D'Oliveiro
24 Oct 24          i`- Re: Angle Units For Trig Functions1Lawrence D'Oliveiro
24 Oct 24          `- Re: Angle Units For Trig Functions1Lawrence D'Oliveiro

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