![](https:///quesimg/Upload/formula/547d2677363bde7dee12e0273cdc9628.png)
(1)讨论
![](https:///quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)从下面两个条件中选一个,证明:
![](https:///quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
①
![](https:///quesimg/Upload/formula/2f07dbcfde28e2b4926e0d0fdd164808.png)
②
![](https:///quesimg/Upload/formula/3dbf717d14f7b72602477cb49d6fe02b.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)