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11 July, 20:49

F (x) = 2+3cosπ10 (x-3) Find f (47).

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Answers (2)
  1. 11 July, 22:27
    0
    f (x) = 2 + 3cos (10π (x - 3))

    f (47) = 2 + 3cos (10 (3.14) (47 - 3))

    f (47) = 2 + 3cos (31.4 (45))

    f (47) = 2 + 3cos (1413)

    f (47) = 2 + 3 (0.891006524)

    f (47) = 2 + 2.673019573

    f (47) = 4.673019573
  2. 11 July, 22:35
    0
    F (x) = 2 + 3cos (10π (x - 3))

    f (47) = 2 + 3cos (10 (3.14) (47 - 3))

    f (47) = 2 + 3cos (31.4 (45))

    f (47) = 2 + 3cos (1413)

    f (47) = 2 + 3 (0.891006524)

    f (47) = 2 + 2.673019573

    f (47) = 4.673019573

    is the right awnser
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