函数y=√-sinx-1/2.的定义域是详细过程谢谢

根号下大于等于0∴-sinx-1/2>=0sinx<=-1/2∴-5π/6+2kπ<=x<=-π/6+2kπ,k∈Z∴定义域是[-5π/6+2kπ,-π/6+2kπ],k∈Z请及时点击右下角的【好评】按钮