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March 25, 2017

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Find the angle (Θ) for a terminal arm with the following coordinates(round to one decimal place):
(5,8)

  • Math - ,

    tan T = 5/8
    T = tan^-1 (5/8)
    = 32.0 degrees

  • Math - ,

    C(0,0), (5,8).

    tanA = (8-0) / (5-0) = 1.6.
    A = 58 deg.

  • Sorry - ,

    Henry is correct

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