Question

Matrix Rotations.

Answer 1

90 is just a perp vector; swap coeefs and negate one i believe

Answer 2

....what?

Answer 3

isnt 3,1 6,2 the same vector?

Answer 4

i don't know what a vector is

Answer 5

its an arrow that points in a direction ...

usually a matrix means that we have a set of vectors .. but in this case it might be a bit ambiguious

Answer 6

I'm still confused. I'm sorry. I'm basically failing this class, and I guess you can see why.

Answer 7

So I don't understand anything.

Answer 8

what is a rotation?

Answer 9

if the rotation is oround the origin; and the columns of the matrix represent the vertex points of the image ...