A.play football | B.take a walk | C.watch TV |
D.do morning exercises | E.play basketball |
![](http://static.xuejinqu.com/qimg/291/2916ba77162455e79323ce3d5cb866f4.png)
![](http://static.xuejinqu.com/qimg/b92/b9239c300d518cf4a6acdb1211ec4c95.png)
![](http://static.xuejinqu.com/qimg/10b/10bcca516d2b4a3c50bb49ab8953777b.png)
(
![](http://static.xuejinqu.com/qimg/2a6/2a619b0c35a711d4c7f04520f0e8c2f0.png)
![](http://static.xuejinqu.com/qimg/8af/8afdb8b1520e5a9271d74629de5155e9.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)