SOLUTION: y= 400 cos 5 pi x what is the period?

Question 640628: y= 400 cos 5 pi x
what is the period?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
recall:
The in both of the graph types

affects the period (or wavelength) of the graph. As b gets larger, the period decreases.
The period is the distance (or time) that it takes for the or curve to begin repeating again.
The period is given by:

so, the period in where , will be

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