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14 August, 05:13

What is the period of the function y = cos (x/2)

A. 2pi

B. pi/4

C. pi

D. 4pi

+2
Answers (2)
  1. 14 August, 08:08
    0
    the period of sin and cos is

    (2 * pi / b) where b is the number in front of x

    period = (2 * pi) / (1/2)

    period = 4 * pi

    Choice D
  2. 14 August, 08:11
    0
    the period of sin and cos is

    (2 * pi / b) where b is the number in front of x

    period = (2 * pi) / (1/2)

    period = 4 * pi

    Choice D
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