1. 2.
![](http://static.xuejinqu.com/qimg/f8d/f8d6f87aa9ff6da18ea23c2ddd494742.png)
![](http://static.xuejinqu.com/qimg/3d7/3d7d25f3c15edeab6df862ba0c3a0c6a.png)
__________ ____________
3. 4.
![](http://static.xuejinqu.com/qimg/7d5/7d5d473a850b15787b246d41de7c44ce.png)
![](http://static.xuejinqu.com/qimg/fd6/fd6fb0fc837bb94231425bb8c1ef08b6.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)