2 câu trả lời
$\sin(2016x+2017)\in [-1;1]$
$\Leftrightarrow -\sin(2016x+2017)\in [-1;1]$
$\Leftrightarrow -\sqrt2\sin(2016x+2017)\in [-\sqrt2;\sqrt2]$
$\to \min_y=-\sqrt2; \max_y=\sqrt2$
$\sin(2016x+2017)\in [-1;1]$
$\Leftrightarrow -\sin(2016x+2017)\in [-1;1]$
$\Leftrightarrow -\sqrt2\sin(2016x+2017)\in [-\sqrt2;\sqrt2]$
$\to \min_y=-\sqrt2; \max_y=\sqrt2$
