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OpenStudy (anonymous):
What is DC'S of a unit vector and wat is its use
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OpenStudy (experimentx):
how do you write a straight line in 3d?
OpenStudy (anonymous):
3i+4j+5k
OpenStudy (anonymous):
next
OpenStudy (anonymous):
@experimentX hello
OpenStudy (experimentx):
do you mean the DC of i,j,k ?
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OpenStudy (anonymous):
@experimentX DC means direction cosines
OpenStudy (aravindg):
directional cosines!!
OpenStudy (aravindg):
those are l,m and n!
OpenStudy (aravindg):
where l^2+m^2+n^2=1
OpenStudy (experimentx):
i know ... what do you particularly mean here? 3i+4j+5k is not a unit vector
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OpenStudy (aravindg):
@Raja99 can you jst clarify that query ?
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