Giải phương trình \(\left( {1 + \tan x} \right)\left( {1 + \sin 2x} \right) = 1 + \tan x.\)
A.\(S = \left\{ { - \frac{\pi }{4} + k\pi ,\,\,\frac{{k\pi }}{2},\,\,k \in \mathbb{Z}} \right\}\)
B.\(S = \left\{ { - \frac{\pi }{4} + k\pi ,\,\,k\pi ,\,\,k \in \mathbb{Z}} \right\}\)
C.\(S = \left\{ {\frac{\pi }{4} + k\pi ,\,\,\frac{{k\pi }}{2},\,\,k \in \mathbb{Z}} \right\}\)
D.\(S = \left\{ {\frac{\pi }{4} + k\pi ,\,\,k\pi ,\,\,k \in \mathbb{Z}} \right\}\)
A.\(S = \left\{ { - \frac{\pi }{4} + k\pi ,\,\,\frac{{k\pi }}{2},\,\,k \in \mathbb{Z}} \right\}\)
B.\(S = \left\{ { - \frac{\pi }{4} + k\pi ,\,\,k\pi ,\,\,k \in \mathbb{Z}} \right\}\)
C.\(S = \left\{ {\frac{\pi }{4} + k\pi ,\,\,\frac{{k\pi }}{2},\,\,k \in \mathbb{Z}} \right\}\)
D.\(S = \left\{ {\frac{\pi }{4} + k\pi ,\,\,k\pi ,\,\,k \in \mathbb{Z}} \right\}\)
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Hóa Học lớp 12
