caitlyningalsbe caitlyningalsbe

22-09-2020
Mathematics

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Find the period of the function y = 2∕3 cos(4∕7x) + 2

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sqdancefan sqdancefan

22-09-2020

Answer:

7π/2

Step-by-step explanation:

The period is the value of x that makes the cosine argument be 2π:

4/7x = 2π

x = (7/4)(2π) = 7π/2 . . . the period

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