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Math - Trigonometry

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Find the amplitude, period, and phase shift - y=cosð/2 (x+1/3)

  • Math - Trigonometry - ,

    I am not familiar with the ð symbol. Is it supposed to be a pi?

    The amplitude is pi.
    2 pi/(period) is the factor that precedes x.

    -1/3 is the phase shift, relative to a cosine wave

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