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anonymous
 3 years ago
find the dot product v⋅w:
for v=ij, w=i+j
anonymous
 3 years ago
find the dot product v⋅w: for v=ij, w=i+j

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richyw
 3 years ago
Best ResponseYou've already chosen the best response.1\[\mathbf{v}\cdot\mathbf{w}=\langle 1,1\rangle\cdot\langle 1,1\rangle\]\[=1(1)+1(1)=0\]

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0do you know how i would find the angle to that?

richyw
 3 years ago
Best ResponseYou've already chosen the best response.1plot those two vectors onto a graph.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0ok and find the missing angle?

richyw
 3 years ago
Best ResponseYou've already chosen the best response.1you can also use is the fact that for two vectors with magnitudes \(a\) and \(b\), with angle \(\theta\) between the two vectors, the dot product is\[\mathbf{a}\cdot\mathbf{b}=ab\cos{\theta}\]
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