y=2arcsin(x-2)的值域是【-π⼀3,π】求其定义域

2025-06-21 05:56:50
推荐回答(1个)
回答1:

y/2的范围【-π/6,π/2】
所以x-2=sin(y/2)
-1/2<=x-2<=1
3/2<=x<=3