P_{k} = r \left( \cos{2 \pi \frac{k}{n}} + \mathrm{i} \sin{2 \pi \frac{k}{n}} \right)
Embed the image to your blog in HTML, Markdown, Textile, BBCode.
Recent Referers:
  1. http://formula.s21g.com/
  2. http://blog.graviness.com/
  3. http://blog.graviness.com/?page=2