( ) 1.
![](http://static.xuejinqu.com/qimg/040/0406067c051685acbcb63b3eb0a1c493.png)
( ) 2.
![](http://static.xuejinqu.com/qimg/4a4/4a4c6cc36311f22d3d7df17e7f5083cd.png)
( ) 3.
![](http://static.xuejinqu.com/qimg/975/97527af6908c7c9b3fd17329145ec96f.png)
( ) 4.
![](http://static.xuejinqu.com/qimg/5f5/5f5e47e8ee6af4178bdff865048c43a1.png)
—No, he can’t.
( ) 5.
![](http://static.xuejinqu.com/qimg/f84/f8439bd24354518f253fa148ac4c7c9b.png)
—Yes, they can.
![](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)