True or false 1.World coordinates and viewing coordinates are always identical? 2. Let T be a 2 x 2

True or false 1.World coordinates and viewing coordinates are always identical? 2. Let T be a 2 x 2 translation matrix and R be a 2x 2 rotation matrix. (T*R) is always equal to ( R*T) 3. Surface normal is one of the parameters used to calculate diffuse lighting 4. The ordered dither technique overlays a pattern on an image to simulate an atmospheric or fogging effect.

 

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