A. pencil B. eraser C. pen D. book E. bag |
![](https://img./dksih/QBM/2023/9/12/3323428124901376/3323898124181504/STEM/3da515ee5b74406c84dd38431159fb42.png?resizew=67)
2.
![](https://img./dksih/QBM/2023/9/12/3323428124901376/3323898124181504/STEM/a31143be6d894405bf0b70ad8853f3ac.png?resizew=62)
3.
![](https://img./dksih/QBM/2023/9/12/3323428124901376/3323898124181504/STEM/3761d3f763e342d690f54a060b09c41b.png?resizew=45)
4.
![](https://img./dksih/QBM/2023/9/12/3323428124901376/3323898124181504/STEM/aa4c9ecdd38b4d90aaeab46fc56ad395.png?resizew=62)
5.
![](https://img./dksih/QBM/2023/9/12/3323428124901376/3323898124181504/STEM/18b53aee2160414084e0ec1a0047fbcb.png?resizew=45)
![](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)