A.
![](http://static.xuejinqu.com/qimg/c3e/c3ed550ae5b6536ca0e7623d4c82936d.png)
B.
![](http://static.xuejinqu.com/qimg/f35/f35674d7129e2278e9ba1ffab32c64aa.png)
C.
![](http://static.xuejinqu.com/qimg/7ce/7cefb04e2a4e1a3b82675ec2b1693011.png)
D.
![](http://static.xuejinqu.com/qimg/2ef/2ef115e94353d2cea3fc5512550859b6.png)
1.touch your head (
2.stamp your foot (
3.clap your hands (
4.wave your arm (
![](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)