Epsiloney

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  • Random Bugs #2: Who is John Doe?
  • (Seven deadly) sines and cosines, part II
  • Random Bugs #1: How do computers measure time without power?
  • (Seven deadly) sines and cosines, part I
  • Seven books that made me who I am

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  • Simple trigonometric proofs, part II - Epsiloney on (Seven deadly) sines and cosines, part I

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  • June 2015 (6)

Category: Trigonometry

(Seven deadly) sines and cosines, part II

October 3, 2015 by E·0 Comments
Illustrative picture

Ola! It’s time to do some more trigonometry! I already gave you proofs of the first seven identities, which you can find here. There’s still a lot more in what my friend Tomáš sent me and so here we go, seven more formulas, seven more proofs. And today we’re starting with…

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(Seven deadly) sines and cosines, part I

August 13, 2015 by E·1 Comment
Illustrative picture

Hello outside world! I realize it’s been more dead than alive around here lately. The thing is – it’s summer time and as far as my War on Procrastination goes, I am getting brutally massacred. Yep, that’s it – I’m mostly wasting my time and potential. Don’t do that, it’s not a good thing.Continue reading

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