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26-02-2024
Mathematics

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On pose f(t) = sqrt(3) * cos t - sin t 1. Déterminer les réels A(A > 0) et varphi(varphi \in [- pi; pi]) tels que f(t) = A * cos(omega*t varphi) 2. Résoudre sur l'intervalle | - pi ; pi| l'équation f(t) = 1
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