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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.
8 years ago

Answers

Reiny
in y = a cos (kØ)
a is the amplitude, and the period is 2π/k

so evaluate the period and state the amplitude of your equation.
8 years ago

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