Tập nghiệm của phương trình \(\sin \left( {\pi \cos x} \right) = 1\) là:
A.\(S = \left\{ {x = \left. {\frac{\pi }{6} + k2\pi ;\,\,x = - \frac{\pi }{6} + k2\pi } \right|k \in Z} \right\}\).
B.\(S = \left\{ {x = \left. {\frac{\pi }{3} + k2\pi ;\,\,x = - \frac{\pi }{3} + k2\pi } \right|k \in Z} \right\}\).
C.\(S = \left\{ {x = \left. {\frac{\pi }{3} + k2\pi ;\,\,x = - \frac{\pi }{3} + k\pi } \right|k \in Z} \right\}\).
D. \(S = \left\{ {x = \left. {\frac{\pi }{3} + k2\pi ;\,\,x = - \frac{{5\pi }}{6} + k2\pi } \right|k \in Z} \right\}\).
A.\(S = \left\{ {x = \left. {\frac{\pi }{6} + k2\pi ;\,\,x = - \frac{\pi }{6} + k2\pi } \right|k \in Z} \right\}\).
B.\(S = \left\{ {x = \left. {\frac{\pi }{3} + k2\pi ;\,\,x = - \frac{\pi }{3} + k2\pi } \right|k \in Z} \right\}\).
C.\(S = \left\{ {x = \left. {\frac{\pi }{3} + k2\pi ;\,\,x = - \frac{\pi }{3} + k\pi } \right|k \in Z} \right\}\).
D. \(S = \left\{ {x = \left. {\frac{\pi }{3} + k2\pi ;\,\,x = - \frac{{5\pi }}{6} + k2\pi } \right|k \in Z} \right\}\).
Loga
Hóa Học lớp 12
