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On Thu, 19 Dec 2002 13:20:19 EST, "gonzo" <rgo### [at] lanset com> wrote:
> 1. what's a cross product?
http://mathworld.wolfram.com/CrossProduct.html
> 2. what's a parallelogram?
http://mathworld.wolfram.com/Parallelogram.html
> 3. AxB = |A| * |B| * sin(angle(A,B)) * perpendicular_unit_vector(A,B)????
I nearly thought you are asking about ABX. This nearly the same question ad
first.
> 4. what's a sine?
http://mathworld.wolfram.com/Sine.html
> 5. If a vector is just point in space, how can it have length & direction?
If you are in the center of space and you want move yourself to that
vector/point you have to move yourself about some _length_ in some _direction_
You can follow links in mathworld if you don't understand terms listed there.
ABX
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