Sum of Series cos(n)/3^n

Loading...

Sign in or sign up now!
Alert icon
Upgrade to the latest Flash Player for improved playback performance. Upgrade now or more info.
297 views
Loading...
Alert icon
Sign in or sign up now!
Alert icon

Uploaded by on Sep 3, 2011

Complex Analysis: Consider the series for cos(n)/3^n. We apply geometric series and Euler's formula for cosine to obtain the sum (1 - 1/3 cos(1))/(8/9 - 2/3 cos(1)).

Category:

Education

Tags:

License:

Standard YouTube License

  • likes, 0 dislikes

Link to this comment:

Share to:

Uploader Comments (MathDoctorBob)

  • Thanks doctor Bob!

    Your new lesson is beautiful and clear as always!

    Dear greetings from Italy.

    Have a nice day!

  • @Nicola72av You're welcome! - Bob

see all

All Comments (3)

Sign In or Sign Up now to post a comment!
  • Thanks Professor it's good to see u again

Loading...

Alert icon
0 / 00Unsaved Playlist Return to active list
    1. Your queue is empty. Add videos to your queue using this button:
      or sign in to load a different list.
    Loading...Loading...Saving...
    • Clear all videos from this list
    • Learn more