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3 April, 05:07

Find the period of the function. y=-3 cos 1/4x

a. pi/4

b.-3

c. 3pi/4

d. 8pi

+4
Answers (1)
  1. 3 April, 06:46
    0
    The answer is 1/4 = 2pi * 1/T, so T = 4*2pi = 8pi

    so it is d. 8pi
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