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liliy
 3 years ago
find cosine and equation of a line with the points:
a) (2,1,3)
b. (0,3,0)
c.(1,0,1)
liliy
 3 years ago
find cosine and equation of a line with the points: a) (2,1,3) b. (0,3,0) c.(1,0,1)

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yakeyglee
 3 years ago
Best ResponseYou've already chosen the best response.0What do you mean by "find cosine"? And, the equation of a line can be easily found by scaling a unit vector by all possible real values \(t \in \mathbb R\). If \(\vec v\) is a vector parallel to the line and \(\vec x\) is a point on the line, then the set\[\{\vec v t + \vec x: t \in \mathbb R\}\] is the graph of the line. What is an example of \(\vec v\) and \(\vec x\) in this case?
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