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Math Help - can someone walk me through this

  1. #1
    Junior Member
    Joined
    Jun 2012
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    wales
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    29

    Unhappy can someone walk me through this

    need help.....

    The value of current, i amp, at t seconds is

    i= 15 sin (100 pi t + 0.6)

    Find
    the amplitude
    the period
    the frequency
    the initial phase angle when t =0 expressed in both radians and degrees
    the value of i when t=2.5
    the time in milliseconds when the current first reaches its maximum value

    I need all the help I can get thanks
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  2. #2
    MHF Contributor
    skeeter's Avatar
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    North Texas
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    Re: can someone walk me through this

    please do not double post ...

    sinusoidal function
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