Find inverse of this [cosa -sina 0] [sina cosa 0] [ 0 0 1]?

5 - 4x - 2x² = 5 - 4(-3) - 2(-3)² = 5 - 4(-3) - 2·9 = 5 - (-12) - 18 = 5 + 12 - 18 = 17 - 18 = -1.

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.