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22 August, 19:25

Find the amplitude and period of the graph of y=7cos (30+pi/6)

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Answers (1)
  1. 22 August, 19:44
    0
    Use the form

    a

    sin

    (

    b

    x

    -

    c

    )

    +

    d

    to find the variables used to find the amplitude, period, phase shift, and vertical shift.

    a

    =

    1

    b

    =

    1

    c

    =

    π

    6

    d

    =

    0

    Find the amplitude

    |

    a

    |

    .

    Amplitude:

    1

    Find the period using the formula

    2

    π

    |

    b

    |

    .
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