(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

what is cos(2n*pi)

2. Relevant equations

3. The attempt at a solution

I understand that cos(npi)=(-1)^n

so is cos(2n*pi)=2(-1)^n ??

**Physics Forums - The Fusion of Science and Community**

# Cosine function

Have something to add?

- Similar discussions for: Cosine function

Loading...

**Physics Forums - The Fusion of Science and Community**