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Weekly Challenge 43: A Close Match

Can you massage the parameters of these curves to make them match as closely as possible?

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Weekly Challenge 44: Prime Counter

A weekly challenge concerning prime numbers.

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The Right Volume

Can you rotate a curve to make a volume of 1?

Weekly Challenge 21: Trig Identity

Stage: 4 and 5 Short Challenge Level: Challenge Level:1
This image, making use of results from circle theorems, says it all!
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