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Cosine cups (Posted on 2020-08-07) Difficulty: 4 of 5
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
re: SolutionCharlie2020-08-10 07:31:54
re: SolutionCharlie2020-08-09 21:52:30
SolutionSolutionBrian Smith2020-08-08 16:51:50
re: If...Charlie2020-08-08 07:35:07
Some ThoughtsIf...Charlie2020-08-07 12:09:02
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