Résoudre une inéquation trigonométrique du type cos(ax+b)y Exercice

S = \left[ 0\text{ } ; \dfrac{\pi}{4} \right] \cup \left[ \dfrac{11\pi}{12} ; \dfrac{5\pi}{4} \right] \cup \left[ \dfrac{23\pi}{12} ; 2\pi \right]

S = \left[ 0\text{ } ; \dfrac{\pi}{3} \right]

S = \left[ 0\text{ } ; \dfrac{\pi}{3} \right] \cap \left[ \dfrac{5\pi}{3} ;2\pi \right]

S = \left[ \dfrac{\pi}{3};\dfrac{5\pi}{3} \right]

S = \left[\dfrac{\pi}{24} ; \dfrac{7\pi}{24} \right] \cup \left[ \dfrac{25\pi}{24} ; \dfrac{31\pi}{24}\right]

S = \left[ -\dfrac{\pi}{4};0 \right] \cup \left[ \dfrac{7\pi}{4} ; 2\pi\right]

S = \left[0\text{ } ; \dfrac{\pi}{4} \right] \cup \left[ \dfrac{3\pi}{4} ; 2\pi\right]

S = \left[0\text{ } ; \dfrac{3\pi}{4} \right] \cup \left[ \dfrac{7\pi}{4} ; 2\pi\right]

S = \left[ 0 ; \dfrac{\pi}{6} \right] \cup \left[ \dfrac{\pi}{3}; \dfrac{7\pi}{6} \right] \cup \left[ \dfrac{4\pi}{3}; 2\pi \right]

S = \left[ 0\text{ } ; \dfrac{5\pi}{6} \right]

S = \left[ \dfrac{7\pi}{6}; 2\pi \right]

S = \left[ \dfrac{5\pi}{6};\dfrac{7\pi}{6} \right]

S =  \left] \dfrac{5\pi}{24} ; \dfrac{13\pi}{24} \right[\cup\left] \dfrac{29\pi}{24} ; \dfrac{37\pi}{24}\right[

S = \left[ \dfrac{2\pi}{3} ; \dfrac{4\pi}{3} \right]

S = \left] 0\text{ } ; \dfrac{7\pi}{24} \right[\cup\left[ \dfrac{11\pi}{24} ; \dfrac{29\pi}{24} \right]\cup\left[ \dfrac{37\pi}{24} ; 2\pi\right]

S = \left[ \dfrac{\pi}{3} ; \dfrac{2\pi}{3} \right]

S = \left[ \dfrac{\pi}{9} ; \dfrac{2\pi}{3} \right] \cup \left[ \dfrac{7\pi}{9} ; \dfrac{4\pi}{3} \right] \cup \left[ \dfrac{13\pi}{9} ; 2\pi \right]

S = \left[ 0 ; \dfrac{\pi}{9} \right]

S = \left[ \dfrac{2\pi}{3} ; \dfrac{7\pi}{9} \right]

S = \left[ 0 ; \dfrac{7\pi}{9} \right]