What are the standard three-dimensional unit vectors?

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What are the standard three-dimensional unit vectors?

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Answer 1 · 2015-10-17T18:44:30

#hat i = (1,0,0)#
#hat j = (0,1,0)#
#hat k = (0,0,1)#

Explanation:

#hat i = (1,0,0)#
#hat j = (0,1,0)#
#hat k = (0,0,1)#

These are the 3 standard unit vectors in #RR^3# and they form a basis for #RR^3#, that is, they are linearly independent and span the entire vector space of #RR^3#

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What are the standard three-dimensional unit vectors?

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