A. PE class B. dinner C. English class
D. breakfast E. music class F. lunch
1.
![](http://static.xuejinqu.com/qimg/b5f/b5f82f6192ce45d0a40430fc897c1451.png)
2.
![](http://static.xuejinqu.com/qimg/58f/58fd636d00d2c4b92ac29201a18620fe.png)
3.
![](http://static.xuejinqu.com/qimg/830/8308d4914651b25dbf31599dc3036fa4.png)
4.
![](http://static.xuejinqu.com/qimg/00c/00ca6ea366ddd36f7132ab0a365f1a9d.png)
5.
![](http://static.xuejinqu.com/qimg/5cc/5cc55d233a3d9e3d22f89607bb58fcd0.png)
6.
![](http://static.xuejinqu.com/qimg/9ba/9ba13f8ed22e7742e644a80035f00b1d.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)