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100 POINTS QUESTION ON ATTACHMENT

100 POINTS QUESTION ON ATTACHMENT-example-1

1 Answer

5 votes

Answer:

2π/3

Explanation:

Given that ,

> y = 2 cos ( 3x - 2π )

Using the form ,

> y = a cos ( bx - c ) + d ,

we see that the period of the function is ,

> Period = 2π/ | b |

> Period = 2π/ 3

User Igor Shmukler
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