\(2{\sin ^2}x + \left( {\sqrt 3 - 1} \right)\sin x\cos x - \left( {\sqrt 3 - 1} \right){\cos ^2}x = 1\)
A.\(x = \dfrac{\pi }{4} + k\pi ;\,\,x = - \dfrac{\pi }{3} + k\pi \).
B.\(x = \dfrac{\pi }{4} + k\pi ;\,\,x = \dfrac{\pi }{3} + k\pi \).
C.\(x = \dfrac{\pi }{4} + k\pi ;\,\,x = - \dfrac{\pi }{3} + k2\pi \).
D.\(x = \dfrac{\pi }{4} + k2\pi ;\,\,x = - \dfrac{\pi }{3} + k\pi \).
A.\(x = \dfrac{\pi }{4} + k\pi ;\,\,x = - \dfrac{\pi }{3} + k\pi \).
B.\(x = \dfrac{\pi }{4} + k\pi ;\,\,x = \dfrac{\pi }{3} + k\pi \).
C.\(x = \dfrac{\pi }{4} + k\pi ;\,\,x = - \dfrac{\pi }{3} + k2\pi \).
D.\(x = \dfrac{\pi }{4} + k2\pi ;\,\,x = - \dfrac{\pi }{3} + k\pi \).
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Hóa Học lớp 12
