# Homework Help: SHM and Pi

1. Apr 6, 2012

### Darth Frodo

When i'm using formulas such as T = 2(pi) / w I thought Pi should be in Radians as w is in rad/sec yet when I look at an example it uses 3.14. Why is it 3.14 instead of 180?

2. Apr 6, 2012

### Staff: Mentor

$\pi$ radians is equivalent to 180 degrees.

3. Apr 6, 2012

### Darth Frodo

Thanks. A major brain fart on my part.