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

cory_ryan Group TitleBest ResponseYou've already chosen the best response.1
do you know how i would find the angle to that?
 one year ago

richyw Group TitleBest ResponseYou've already chosen the best response.1
plot those two vectors onto a graph.
 one year ago

cory_ryan Group TitleBest ResponseYou've already chosen the best response.1
ok and find the missing angle?
 one year ago

richyw Group TitleBest ResponseYou've already chosen the best response.1
you 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\[\mathbf{a}\cdot\mathbf{b}=ab\cos{\theta}\]
 one year ago

richyw Group TitleBest ResponseYou've already chosen the best response.1
so \(0=\cos{\theta}\)
 one year ago

cory_ryan Group TitleBest ResponseYou've already chosen the best response.1
ok thats simple
 one year ago

cory_ryan Group TitleBest ResponseYou've already chosen the best response.1
thanks bro
 one year ago
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