Решите уравнение \(\sin x + \cos x = 0\) .

• \(-\frac{\pi}{4} + \pi k, k \in Z\)
• \(\frac{\pi}{4} + \pi k, k \in Z\)
• \(-\frac{\pi}{4} + 2\pi k, k \in Z\)
• \(\frac{\pi}{4} + 2\pi k, k \in Z\)