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Which of the following cosine functions has a period of 3π? y = 3cos x y = cos3 x y = 1/3 cos x y = cos 2/3 x
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Which of the following cosine functions has a period of 3π?

y = 3cos x
y = cos3 x
y = 1/3 cos x
y = cos 2/3 x

User Sergey Sosnin
by
5.9k points

1 Answer

10 votes

Answer:

y = cos 2/3 x

Explanation:

User Joseph Siefers
by
4.8k points
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