What is the angle between #<1,5,7 ># and #< 6,8,1 >#?

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What is the angle between #<1,5,7 ># and #< 6,8,1 >#?

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Answer 1 · 2016-02-20T11:51:07

52.49 deg, nearly.

Explanation:

use the angle between two vectors is arc cos (cross product of the components) / (product of the lengths of the vectors).
Here, it is arc cos (6 + 40 + 7) / (#sqrt#75 #sqrt#101))

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What is the angle between #<1,5,7 ># and #< 6,8,1 >#?

1 Answer

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