Frequency Math Example 1

Solution

1. 1
   For $f(x) = \sin(Bx)$, the period is $T = \frac{2\pi}{|B|}$.
2. 2
   Here $B = 4$, so $T = \frac{2\pi}{4} = \frac{\pi}{2}$.
3. 3
   Frequency is the reciprocal of the period: $f = \frac{1}{T} = \frac{2}{\pi}$ cycles per unit.