A. art room B. computer room C. library D. music room
1.
![](http://static.xuejinqu.com/qimg/22d/22d892bb2ac337816d0af81bd0a78b04.png)
2.
![](http://static.xuejinqu.com/qimg/68d/68d28c021b5d342b6d1a31e884dfae77.png)
3.
![](http://static.xuejinqu.com/qimg/bf2/bf2a2894effd58f91e72f80e55f1fb33.png)
4.
![](http://static.xuejinqu.com/qimg/27a/27adeb601be46882ae107b82ec99c231.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)