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3 June, 03:24

8.

A particular sound wave can be graphed using the function y = - 3 sin x. Find the period of the function.

period = 2pi

period = - 3

period = 3

period = 1/2

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Answers (2)
  1. 3 June, 06:21
    0
    Since the argument of the sine function is x without any scaling factor, the period is 2π, the 1st selection.
  2. 3 June, 06:56
    0
    The period for a sine function is always 2pi/a where y=sin ax

    If y = 3sinx then a=1 so 2pi/1=2pi

    2pi = period
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