zNSFW

Silly question about vectors/cross product! Can someone help me understand how this vector image relates to the formula?

http://i.imgur.com/vOqNleP.png

User: SorryIAmAChampion

Categories: SorryIAmAChampion

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Aaaaaaand it begins!
This is what a champion wears. ;)
Happy [F]riday with an on/off!
Legz
Before/After! ~1 year apart, and 7% body fat difference. :)
Thighs! :)
Good morning! :)
Another before/after, 1 year apart. :)
Chunky monkey thighs! ?
Boobies say hi!
Legs!
Mismatched, but no harm. :)
Heyoooo! ?
Peekaboo! Different angle of the quads. :)
Yes.
This outfit that everyone seems to like so much. O.O
School gal themed video? Yes or no?
Take a bite! :D
My 22 inch quads! :)
Last post before a hiatus. Have a great summer, everyone! ?
Second skin. (Self-post) :)