A. dress B. hat C. T-shirt |
![](https://img./dksih/QBM/editorImg/2023/6/7/9a176c62-f3d3-4fab-bc86-1a31bfa71b3d.png?resizew=91)
2.
![](https://img./dksih/QBM/editorImg/2023/6/7/69a2bc12-04a6-47bd-aa71-1ec9fb44f3a0.png?resizew=77)
3.
![](https://img./dksih/QBM/editorImg/2023/6/7/c8b8acfd-df6f-455e-8e53-93250fa7f98b.png?resizew=90)
![](http://static.xuejinqu.com/images/y-prise.png)
同类型试题
![](http://static.xuejinqu.com/images/medal.png)
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)