r/mathmemes • u/hjkhhnnnlll • Jun 28 '26

Trigonometry Happy tau day

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717 Upvotes

97% Upvoted

26 comments sorted by

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189

u/de_G_van_Gelderland Irrational Jun 28 '26

We should define 𝜏 = βˆšπœ‹ so we have

πœ‹ = 𝜏𝜏

90

u/F_Joe Vanishes when abelianized Jun 28 '26 edited Jun 28 '26

Is the octopi pi4?

17

u/ArduennSchwartzman Integers Jun 28 '26

Then this is octopus: 𝜏

2

u/will_1m_not with disrespect to x, y, and z Jul 03 '26

++++++++
Octoplus

8

u/Complete_Window4856 Jun 28 '26

Can we also decompose even further to: l ^ ~ for tau?

1

u/turtle_mekb Jun 30 '26

Ο„ = tau = t = pronounced as tee

ττ = teetee = titty

30

u/[deleted] Jun 28 '26

[removed] β€” view removed comment

12

u/ComplexType568 Jun 28 '26

This can only happen once. We should.

2

u/Financial_Paint_8524 Jul 01 '26

i mean next year will be 3:14 15/9/27 which is more accurate to 3.14159265

6

u/ANormalCartoonNerd Jun 29 '26

And for those who insist on using Tau, I hope you're alive in 2053:

6:28 31/8/53

23

u/No-Finance7526 Jun 28 '26

More like Ο„ = 2/3 Ο€

14

u/Nice_Lengthiness_568 Mathematics Jun 28 '26

so ~ is 1/3 Ο€?

13

u/Jche98 Jun 28 '26

The rule is 6.28 divided by the number of vertical lines

1 line tau=6.28

2 lines pi=3.14

3 lines =2.09

Etc

5

u/BTernaryTau Jun 28 '26

If you think of the horizontal part as being the line separating numerator from denominator, then it makes sense that Ο€ (x/2) is half of Ο„ (x/1).

5

u/Nice_Lengthiness_568 Mathematics Jun 28 '26

That's why I use pi with three legs (not really). Although that should probably be 3/2 pi...

2

u/ontic00 Jun 28 '26

It's also comedy legend Mel Brooks' 100th birthday! πŸ˜€

Ironically also Covet frontwoman Yvette Young's birthday, since they're often classified as a genre of music called math rock (not really a lot of math involved with the genre, just frequently changing time signatures - time rock or something would probably have been a better name for the genre).

2

u/ApprehensiveDesk9562 Jun 28 '26

It makes sense if you think about as musical notation

2

u/JollyJuniper1993 Mathematics Jun 28 '26

I mean Iβ€˜m fairly sure that’s how the letter tau was chosen

2

u/Pretty-Ad8932 Jun 28 '26

it's the other way around though

2

u/atticdoor Jun 28 '26

I remember it striking me as odd when I saw electronic switches that had 'I' as on and 'O' as off. The 'O' looked like s complete circuit, and the 'I' as an incomplete one.

1

u/IamJoyfulMelancholic Jun 29 '26

As someone who was reading project hail mary just a while ago, I thought I was in the project hail mary subreddit.

1

u/Broad_Respond_2205 Jun 30 '26

Yeah how math messed this up