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Give the wave equation: y(x)=15cos(12x-4t) What is the amplitude? What is the period? What is the...

  1. Give the wave equation: y(x)=15cos(12x-4t)
    1. What is the amplitude?
    2. What is the period?
    3. What is the frequency?
    4. What is the angular frequency?
    5. What is the wavelength?
    6. What direction is it traveling?
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