![](https://img./dksih/QBM/2023/3/31/3206276418609152/3206360393138176/STEM/f42c4a684e6748b8ad45d7223335eb5b.png?resizew=94)
—When is Mother’s Day?
—It’s on May 12th.
1.
![](https://img./dksih/QBM/2023/3/31/3206276418609152/3206360393138176/STEM/1964932825cd482d9945d2a366733d18.png?resizew=98)
New Year’s Day
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2.
![](https://img./dksih/QBM/2023/3/31/3206276418609152/3206360393138176/STEM/53e1748aa81a4cd3a2912460fce01ddd.png?resizew=98)
National Day
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3.
![](https://img./dksih/QBM/2023/3/31/3206276418609152/3206360393138176/STEM/2d5537a841fa474a8f5d8f5ce009eb5d.png?resizew=95)
Children’s Day
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4.
![](https://img./dksih/QBM/2023/3/31/3206276418609152/3206360393138176/STEM/6c57bb24f2d142f99244ebafa6b43462.png?resizew=99)
Teachers’ Day
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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)