cours/daily/2022-08-11.md

2022-08-11

Todo

• spaced repetition
• kung-fu
• #task exercices evelyne ✅ 2022-08-11
  • simplifier :
    • #task y=\arg\sh(2x \sqrt{1+x^{2}}) ✅ 2022-08-11
    • #task y=\arg\th\left(\dfrac{x^{2}-1}{x^{2}+1}\right) ✅ 2022-08-11
  • #task on pose t = \arctan(\sh x) ✅ 2022-08-22
    • établir les relations :
      • \tan t = \sh x
      • \dfrac{1}{\cos t} = \ch(x)
      • \sin t = \th(x)
    • montrer que x = \ln\left(\tan\left(\dfrac{t}{2}+\dfrac{\pi}{4}\right)\right)

I did

[!todo] tasks done today

done 2022-08-11
short mode

I am g. atefull to