an apple a banana a balloon
![](http://static.xuejinqu.com/qimg/807/80710b2e26a1f4028ad8881c40486151.png)
![](http://static.xuejinqu.com/qimg/884/884fc0993b31784a7d0ddf83b5d63dbc.png)
![](http://static.xuejinqu.com/qimg/b43/b43d5b0b29b5436b84d10c920174c926.png)
a tree an ant a boy
![](http://static.xuejinqu.com/qimg/1eb/1eba67d1ae36329e22482b7e961f6887.png)
![](http://static.xuejinqu.com/qimg/ffb/ffb129555c4bb7fc359f852f2ada32ee.png)
![](http://static.xuejinqu.com/qimg/a3b/a3b7ce3a3eb08efed01fade19caa343a.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)