OpenEuphoria

bug in EUforum (Re: trig)

• Posted by CoJaBo <cojabo at suscom.net> Apr 18, 2004
• 528 views

rudy toews wrote:
> 
> 
> not an expert though. taken from my calculator handbook.
> 
> rectangular to spherical coordinate conversion
> r = sqareroot( x^2 + y^2 + z^2)
> angle = tan ^ -1 y/x
> ANGLE = tan ^ -1 squareroot(x^2 + y^2)  / z
> in picture , angle is the horizontal angle between X and Y axis
> ANGLE is the vertical angle off the Z axis
> hope this helps.
> my search engine gave me these, searching for "math equations"
> <a
> href="http://mathforum.org/library/drmath/sets/high_equations.html">http://mathforum.org/library/drmath/sets/high_equations.html</a>
I dont think the above link will post correctly in a reply...

> www.w3.org/Math
> www.math.com
Those two didn't link, EUforum should also link text with "www." and mabey
".com"

> 
> rudy
> lotterywars
>