POV-Ray: Newsgroups: povray.newusers: Simple trig question: Re: Simple trig question

POV-Ray : Newsgroups : povray.newusers : Simple trig question : Re: Simple trig question		Server Time 28 Jul 2024 22:20:38 EDT (-0400)

From: Marc Schimmler
Date: 13 Jun 2007 14:41:53
Message: <46703a71$1@news.povray.org>

TheMightyZog schrieb:
> I'm ashamed to have to ask this, but I just can not remember how to
> calculate an angle in degrees if I know the opposite and adjacent side of a
> right-angled triangle.
> 
> My only excuse is that I'm an OAP and school was just years ago and then
> radians were not taught!
> 
> Help!
> 
> Thanks
> Zog
> 
> 

If it looks like this

        alpha
      /|
   h /=|
    /  | o
   /  .|
   -----
     a

alpha = atan (a/o)
alpha = acot (o/a)
alpha = asin (a/h)


Is this what you wanted ... POVCODE?

Marc

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