The transformation does not rotate the object, it rotates the coordinate system. Chaining rotations is noncommutative. So what you must do is simply: Swap the rotation operations, that the first rotation applied, i.e.
The last you multiply on the stack designates your object rotation, followed (i.e. Previously multiplied) with the other rotation.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.