1.
![](http://static.xuejinqu.com/qimg/ab4/ab4f4a9899016c1f1c56302f2fe86665.png)
![](http://static.xuejinqu.com/qimg/f19/f190a1ac33cc28b4415772c2e3ea7559.png)
![](http://static.xuejinqu.com/qimg/001/00158d7ac3dcbb457d8a89405b4d80a7.png)
![](http://static.xuejinqu.com/qimg/446/446b384afb6b8615df1b88f01c870d8e.png)
![](http://static.xuejinqu.com/qimg/4ac/4acb13d50b4334755ab651c8dcd229b1.png)
A.nine | B.six | C.ten | D.eight E.seven |
![](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)