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Acos(t), accoster lol (option science math exercie 4 t4)


Go to solution Solved by valouz,

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  • Ancien du Bureau
Posted

Salut, bon alors, question très simple mais qui me fait buguer 🙂 

Alors comment on déduit que fh = Acos(t) + B sin(t) j'arrive pas à le voir. 

 

ijri.png

 

 

 

Merci ❤️ 

 

  • Solution
Posted

yooooo le s. Il me semble qu'elle a dit que quand on a une équation diff avec second membre égal à une fonction trigonométrique, bah forcément on a:

fh(t)= A cost + B sint en adaptant avec les coefficients. 

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