A.go straight on | B.down the hill | C.up the hill |
D.at the station | E.near the school |
![](http://static.xuejinqu.com/qimg/bac/bac19a7741d24f44060e6960e50ad745.png)
![](http://static.xuejinqu.com/qimg/1f3/1f3d56b9b5113a79d8e8a03e3e415d53.png)
3.
![](http://static.xuejinqu.com/qimg/706/7063e6048c0f6389812d50f5576d500a.png)
![](http://static.xuejinqu.com/qimg/297/29700c12ba1078ac85970f704333a6ae.png)
5.
![](http://static.xuejinqu.com/qimg/2c5/2c56435abc3fbf23cc15fa5cb51466bd.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)