![](https:///quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https:///quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https:///quesimg/Upload/formula/3570a95f68349fcd9417fcda62e78e7e.png)
![](https:///quesimg/Upload/formula/4a0e5697eca3f5205cb7b343648240bf.png)
![](https:///quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img./dksih/QBM/editorImg/2022/9/4/654f78e2-7f70-4fa8-810c-ef9eac659de0.png?resizew=153)
(1)用尺规作
![](https:///quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https:///quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https:///quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)连接
![](https:///quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https:///quesimg/Upload/formula/01ff27eea7545bb06f9472f91290c54e.png)
![](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)