Tập nghiệm của phương trình $\left ( sin\frac{x}{2}+cos\frac{x}{2} \right )^{2}+\sqrt{3}cosx=2$

Question

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4 câu trả lời

Answer 1

$\left \{ -\frac{\pi }{6}+k2\pi ,\frac{\pi }{2}+k2\pi;k\in \mathbb{Z} \right \}$

Answer 2

$\left \{ -\frac{\pi }{6}+k2\pi ;k\in \mathbb{Z} \right \}$

Answer 3

$\left \{ -\frac{\pi }{6}+k\pi ,\frac{\pi }{2}+k\pi;k\in \mathbb{Z} \right \}$

Answer 4

$\left \{ \frac{\pi }{2}+k2\pi;k\in \mathbb{Z} \right \}$