A: Happy Halloween! -Thank you!
B: Hello! Zhang Ling, this is Li Fang. -Hello! Li Fang,nice to meet you.
C: Good morning, Miss Wang. -Good morning.
D: Let's go to school. -OK!
E: Hello! Xiao Hua. Nice to meet you. -Nice to meet you, too.
![](http://static.xuejinqu.com/qimg/11d/11dbf4cccf8bd94f08c1f902dda88eca.png)
![](http://static.xuejinqu.com/qimg/eff/eff25afef64ee9c113640703f3d71956.png)
![](http://static.xuejinqu.com/qimg/c95/c954c965ee49e9048e114ad11254a047.png)
![](http://static.xuejinqu.com/qimg/69c/69c047a4a683d5fa41f3839057333c0d.png)
![](http://static.xuejinqu.com/qimg/7b3/7b34d1f03fd2940c702162a2f2c1757c.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)