Trig2

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Find the amplitude and period of $4\sin(\frac{1}{3}x)\,$

The amplitude is the coefficient in front of the wave function.

Amplitude = $4\,$

The period is $2\pi/b\,$ where $b\,$ is the coefficient of the argument of the wave function.

Period = $\frac{2\pi}{1/3} = 6\pi\,$

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