June 2021 0 118 Report
Bonjour, beoisn d'aide ! EQUATIONS TRIGONOMETRIQUES

Résoudre dans l'intervalle ] - Pi ; Pi ] les équations suivantes :
1. 2 cos x + 3 = 2
2. sin²x - sin x =0
3. cos 2 x = 0
4. sin (x+ Pi/3 ) = 1/2

Merci beaucoup
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