# Need a detailed explanation

• June 22nd 2008, 11:29 PM
kalyanram
Need a detailed explanation
Please prove this in detail.
~Kalyan.
• June 23rd 2008, 04:00 AM
topsquark
Quote:

Originally Posted by kalyanram
Please prove this in detail.
~Kalyan.

This would seem to be a generalization of your other post. Take a look at the hint I gave you there. Now we have $cos(\theta) = 1$, so the sum of the cosine series will be N. What does that say for the limit?

-Dan