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Find: (i) "north cross west" " " (ii...

Find:
(i) "north cross west" `" "` (ii) "down dot south"
(iii) "west dot west" (iv) "south cross south".
Let each vector have unit magnitude.

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The correct Answer is:
(i) up (ii) 0 (iii) 1 (iv) `vec(0)`
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