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

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Subject	Author	Date
Puzzle Answer	K Sengupta	2022-05-04 23:42:16
No Subject	Lacy Wong	2021-12-26 05:13:13
re: Solution	Charlie	2020-08-10 07:31:54
re: Solution	Charlie	2020-08-09 21:52:30
Solution	Brian Smith	2020-08-08 16:51:50
re: If...	Charlie	2020-08-08 07:35:07
If...	Charlie	2020-08-07 12:09:02

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