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    ramde's Avatar
    ramde Posts: 1, Reputation: 1
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    #1

    Oct 8, 2012, 06:10 AM
    Two vectors A and B are given by A= 5i + 6j + 7k and B= 3i - 8j +2k. If these two vec
    Two vectors A and B are given by A= 5i + 6j + 7k and B= 3i - 8j +2k. If these two vectors are drawn starting at the same point, whatis the angle between the two vectors?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Oct 8, 2012, 08:29 AM
    Calculate the dot product of the two vectors using two different techniques:



    Set them equal, and solve for
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