perplexus.info :: Shapes : Cosine cups

Cosine cups (Posted on 2020-08-07)

The plot of the equation cos(x+y)=cos(x)+cos(y) looks like a collection of infinitely many identical closed shapes.

Find the area of one of these closed shapes.

No Solution Yet Submitted by Danish Ahmed Khan

No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)

Puzzle Answer

Comment 7 of 7 |

The required area is approximately 15.737

Posted by K Sengupta on 2022-05-04 23:42:16

Please log in:

Login:
Password:
Remember me:

Sign up! \| Forgot password

Search:

Search body:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (14)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info