A. in B. under C. on D chair E. desk |
1.Look at that
![](https://img./dksih/QBM/2021/4/19/2703017004318720/2703357527875584/STEM/ac3b46c96ad248948d7fd5d9c9687635.png?resizew=68)
2.It's a
![](https://img./dksih/QBM/2021/4/19/2703017004318720/2703357527875584/STEM/db76fab51bbe40c28c305e1ffa8b94c3.png?resizew=67)
3.It is
![](https://img./dksih/QBM/2021/4/19/2703017004318720/2703357527875584/STEM/b4e7dc73f6424918ba6a94d63c609885.png?resizew=62)
4.It is
![](https://img./dksih/QBM/2021/4/19/2703017004318720/2703357527875584/STEM/b64713cd7d51493eb70333a4fb1cee26.png?resizew=70)
5.It is
![](https://img./dksih/QBM/2021/4/19/2703017004318720/2703357527875584/STEM/bfd62c340edf485483d18bef958dcd68.png?resizew=70)
![](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)