Apologies for the trouble you have all been put through by my 'senior
moment'
I see the silly mistake now
And thank you Alan and Tim for your alternative suggestions
Zog

"Leroy" <lrw### [at] joplincom> wrote in message
news:467### [at] joplincom...
> TheMightyZog wrote:
> > Thanks Warp, but
> >    rotate<(degrees(atan2(1,2))),0,0>
> > or
> >    rotate<(atan2(1,2)),0,0>
> > is not the same as
> >   rotate<30,0,0>
> >
> > - 'tis a real puzzle!
> >
> the tangent of 30 degrees is NOT 1/2
>    degrees(atan2(1,2))= 26.56 degrees
>    degrees(atan2(sqrt(3),1))= 30 degrees
>            *
>            * *
>   sqrt(3)  *30 *   2
>            *     *
>            *90   60*
>            **********
>                1
>   sin(30)=1/2        cos(60)=1/2
>   cos(30)=sqrt(3)/2  sin(60)=sqrt(3)/2
>   tan(30)=1/sqrt(3)  tan(60)=sqrt(3)/1
>

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