2.0k views
2 votes
What is the frequency of d=9cos(pi/2 t)

User Owusu
by
8.4k points

1 Answer

6 votes
The period is equal to 2pi/n, where n is the coefficient of t. In this case pi/2. Therefore the period in this example is 4. Frequency is equal to 1/period. Hence the frequency for this problem is 1/4
User Saboora
by
8.6k points