What is the angle between #<-8,-5,2 > # and #<9,1,-3> #?

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What is the angle between #<-8,-5,2 > # and #<9,1,-3> #?

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Answer 1 · 2016-05-20T06:22:57

Angle between vectors is approximately #**154.5°**#.

Explanation:

I've added image which might help My Brain

Also this link will help
http://www.wikihow.com/Find-the-Angle-Between-Two-Vectors

Actually the inverse cosine is approximately #154.5°# instead of #90°#. We cannot tell what happened to make the mistake, but it looks as if the answerer forgot the decimal point in 91.99 when entering the inverse trigonometric function into the calculator.

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What is the angle between #<-8,-5,2 > # and #<9,1,-3> #?

1 Answer

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