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28 April, 01:11

Find the amplitude and the period of

y=-4cos 3x.

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  1. 28 April, 01:19
    0
    Answer: Amplitude: 4. Period: 2π/3

    Step-by-step explanation:

    Use the form a cos (bx - c) + d to find the amplitude, period, phase shift, and vertical shift.
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