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Author(s) Philippe Delsarte, Manon Oreins
Deadline No deadline
Submission limit No limitation
Category tags Trigo, Equ

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Trigonométrie - Q34

Soit \(k \in \mathbb{Z}\) , résoudre les inéquations suivantes :

Question 1:
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\(\tan x < 2\)

Question 2:
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\begin{equation*} \frac{\sin x}{\cos \left( x - \frac{\pi}{4} \right)} \geq 0 \end{equation*}