Bb
0,1-cos2x>0\\\\2\pi n0,1-cos2x>0\\\\2\pi n
1\; net\; reshenij\\\\Otvet:\; x=(-1)^{n}\frac{\pi}{6}+\pi n,n\in Z" alt="log_2sinx=-1,\; sinx=2^{-1}=\frac{1}{2},\\\\x=(-1)^{n}\frac{\pi}{6}+\pi n,n\in Z\\\\log_2sinx=\frac{1}{3},\; sinx=2^{\frac{1}{3}}=\sqrt[3]{2}>1\; net\; reshenij\\\\Otvet:\; x=(-1)^{n}\frac{\pi}{6}+\pi n,n\in Z" align="absmiddle" class="latex-formula">