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Physics question, any1 can help me?

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  1. Feb 6, 2017 #1

    ars

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    If the x component of a vector A, in the xy plane, is half as large as the magnitude of the vector, the tangent of the angle between the vector and the x axis is:

    A. √3 B. 1/2 C. √3/2 D. 3/2 E. 3 ans: D


    why it is answer D?
     
  2. jcsd
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