March 25, 2017

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State the amplitude, period, and phase shift of the function.

I got the amplitude and the period. For the phase shift I got (Pie/5)/7 but its wrong. Can someone tell me what I did wrong?

  • Precalculus - ,

    h(t)=-9cos 7(t-π/35)

    the phase shift is π/35 to the right,

    your answer of π/5/7 is actually right, except it is not written in good form. It is ambigious, does it mean
    (π/5) / 7 or π/(5/7)

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