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OpenStudy (anonymous):
find the angle between the following vectors: A=12i-15j+25k , b=-12i+20j+30k please show me steps and explanation :)
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OpenStudy (anonymous):
use the dot product
OpenStudy (anonymous):
show how
OpenStudy (anonymous):
\[A.B = |A| |b| \cos \Theta \]
OpenStudy (anonymous):
1 st find A.B
OpenStudy (anonymous):
complete steps and i will give the first a medal
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OpenStudy (anonymous):
|dw:1349185293869:dw| hope this helps
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