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Secondary V • 5mo.

Bonjour,

Est-ce que c'est correct ?

Merci.

20250714_162028.jpg


Mathématiques
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Explanations (1)

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    5mo.


    Oui tout est correct!

    Comme 3π/2≤­θ≤2π

    alors y est négatif

    et la solution est bien y=-√40/7 ou -0.9035

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