Пояснення:
[tex]\displaystyle\\sinx-\sqrt{3}*cosx=0\ |:(-2)\\\\\frac{\sqrt{3} }{2} *cosx-\frac{sinx}{2} =0 \\\\\frac{\sqrt{3} }{2} *cosx-\frac{1}{2}*sinx=0\\\\cos\frac{\pi }{6}*cosx-sin\frac{\pi }{6}*sinx=0\\\\ cos(\frac{\pi }{6}+x)=0\\\\x+\frac{\pi }{6} =\pi n\\\\x=-\frac{\pi }{6} +\pi n,\ \ \ \ n\in Z.[/tex]
Відповідь: А.
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Пояснення:
[tex]\displaystyle\\sinx-\sqrt{3}*cosx=0\ |:(-2)\\\\\frac{\sqrt{3} }{2} *cosx-\frac{sinx}{2} =0 \\\\\frac{\sqrt{3} }{2} *cosx-\frac{1}{2}*sinx=0\\\\cos\frac{\pi }{6}*cosx-sin\frac{\pi }{6}*sinx=0\\\\ cos(\frac{\pi }{6}+x)=0\\\\x+\frac{\pi }{6} =\pi n\\\\x=-\frac{\pi }{6} +\pi n,\ \ \ \ n\in Z.[/tex]
Відповідь: А.