Whats the intuition behind why the -sin theta is flipped in the x_2 rotation?
I believe it's because in if we look from the positive side of x_2, x1 is 90 degree counter clock wise from x3. (other than the 270 degree from the other 2)
Whats the intuition behind why the -sin theta is flipped in the x_2 rotation?
I believe it's because in if we look from the positive side of x_2, x1 is 90 degree counter clock wise from x3. (other than the 270 degree from the other 2)