Recent content by jcurl

That's what I was thinking, but I'm not sure how to only get the cos value. Since e^{i\theta} = cos(\theta) + isin(\theta)

Homework Statement I'm in differential equations right now and we are about to start Laplace Transforms. Our homework is over complex numbers: Simplify the following equation: 1+cos(\theta)+cos(2\theta)+cos(3\theta)+...+cos(n\theta) Homework Equations The Attempt at a...