A. I like basketball. B. I like football. C. I like swimming. D. I like ping-pong. |
1.
![](http://static.xuejinqu.com/qimg/445/445ef8d5ff7807d757fd17578227a536.png)
2.
![](http://static.xuejinqu.com/qimg/588/58807e91e09ebf4c45f434942fd805ce.png)
3.
![](http://static.xuejinqu.com/qimg/522/52252f7b8d47aa909c52e4a54bce23ba.png)
4.
![](http://static.xuejinqu.com/qimg/71b/71b7d5aeafdff5f23810ba6ab25052a7.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)