function rot(t) {
  return math.matrix([
    [1,      0,       0],
    [0, cos(t), -sin(t)],
    [0, sin(t),  cos(t)]
  ])
}
// A function used to represent rotations!
A function used to represent rotations!
A function used to represent rotations!
function rot(t) {
  return math.matrix([
    [1,      0,       0],
    [0, cos(t), -sin(t)],
    [0, sin(t),  cos(t)]
  ])
}
function rot ( t ) { return math . matrix ( [ [ 1 , 0 , 0 ] , [ 0 , cos ( t ) , - sin ( t ) ] , [ 0 , sin ( t ) , cos ( t ) ] ] ) }
A function used to represent rotations!
A function used to represent rotations!