例:
![](https://img./dksih/QBM/2023/5/18/3240585150169088/3253794111897600/STEM/72f43d403b9044a8abac1fddb053fbc7.png?resizew=127)
![](https://img./dksih/QBM/2023/5/18/3240585150169088/3253794111897600/STEM/5c3f9703d8c147c0922a5d10a55cd066.png?resizew=151)
Winter
It is winter. It is cold. I can go skating. I can make snowmen too. I like winter.
![](https://img./dksih/QBM/editorImg/2023/6/11/1d2e93e9-d075-4e07-a29e-a6a088772fea.png?resizew=142)
![](https://img./dksih/QBM/editorImg/2023/6/11/ad753207-fb4b-4ae2-a143-60f45b47dfdf.png?resizew=97)
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![](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)