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    ayesha33's Avatar
    ayesha33 Posts: 1, Reputation: 1
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    #1

    Apr 16, 2012, 11:42 AM
    if a.b=0 then find the angle between two vectors
    if a.b=0 then find the angle between two vectors
    rpray2007's Avatar
    rpray2007 Posts: 319, Reputation: 23
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    #2

    Apr 16, 2012, 12:37 PM
    For dot product of two vectors the following relationships are true:



    where is the angle between the vectors and is the length of the vector. Using and assuming non-zero length vectors you can deduce your answer.
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