1.Open your book.
![](http://static.xuejinqu.com/qimg/7df/7df586f7212fc7ea2b7fa1019d47cf73.png)
2.I have a bag.
![](http://static.xuejinqu.com/qimg/948/9483b1ef2c8e35626ad5185c335c7a68.png)
3.Open your book.
![](http://static.xuejinqu.com/qimg/832/832f5d00b6abb5312bbc2b96ab899fce.png)
4.I have a crayon.
![](http://static.xuejinqu.com/qimg/cbc/cbccf14a963e2682c3e1388a2d9de09d.png)
5.Show me your bag.
![](http://static.xuejinqu.com/qimg/005/005eb7d871a827ac086b0ebc8dd2ad96.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)