Mathematics, 29.07.2019 17:30, DEVORIA2001

12. a sound wave is modeled with the equation y = 1/4 cos 2pi/3 θ. a. find the period. explain your method. b. find the amplitude. explain your method.,

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12. a sound wave is modeled with the equation y = 1/4 cos 2pi/3 θ. a. find the period. explain your...