### Home > PC > Chapter 6 > Lesson 6.1.4 > Problem 6-61

6-61.

Remember to go opposite the sign.

*pb* = 2π

The equation gives *b*, but you want *p* (period).

6-61.

Remember to go opposite the sign.

*pb* = 2π

The equation gives *b*, but you want *p* (period).