If y=5sin (3x -40) Calculate the frequency and period​

Question

If y=5sin (3x -40)
Calculate the frequency and period​

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Thu Nguyệt 4 years 2021-08-11T18:49:14+00:00 1 Answers 9 views 0

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  1. ThanhThu
    0
    2021-08-11T18:51:00+00:00
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    Answer:

    0.477 Hz

    2.09 s

    Explanation:

    y = A sin(ωx − φ)

    A is the amplitude, ω is the angular frequency, and φ is the phase shift.

    ω = 3 rad/s

    f = ω / 2π ≈ 0.477 Hz

    T = 1/f ≈ 2.09 s

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )