Use a geometrical argument to show that R(a + b) = R(a)R(b) and Use a geometrical argument to show that R(a)R(b) = R(b)R(a)
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Originally Posted by bakchormee Use a geometrical argument to show that R(a + b) = R(a)R(b) and Use a geometrical argument to show that R(a)R(b) = R(b)R(a) Haha, what? What is this stuff? You need to define things.
Rotations. Geometric transformations using matrices.
In the absence of reflections, the order of rotations doesn't matter. QED :P
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