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Author(s) Manon Oreins
Deadline No deadline
Submission limit No limitation
Category tags Trigo

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Trigonométrie - Q03

(PrépaMDWoluwe)

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Que vaut

\begin{equation*} cos^2\left(\frac{\pi}{6}\right)+cos^2\left(\frac{\pi}{3}\right) \end{equation*}