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6-97.
1. Find the period of each function. Homework Help ✎

1. y = 5 sin 3x

2. y = cos πx

3. y = sin

4. y = cos + 3

Use the formula:
pb = 2π

p = period
b = frequency

3 is the frequency.

π is the frequency.

${\frac{\pi}{5}\text{ is the frequency.}}$

${\frac{\pi}{5}\text{ is the frequency.}}$