in on under desk chair
1.
![](http://static.xuejinqu.com/qimg/d8e/d8ebae00e9b0bcaf09b9b2416ced00b4.png)
![](http://static.xuejinqu.com/qimg/37b/37b909912244c5b98f75e832a504a9ee.png)
2.
![](http://static.xuejinqu.com/qimg/731/7317e591d2c0b67591ced4bc1b2c156a.png)
![](http://static.xuejinqu.com/qimg/37b/37b909912244c5b98f75e832a504a9ee.png)
3.
![](http://static.xuejinqu.com/qimg/0d4/0d4ee33be029defac718abac9d1b31b9.png)
![](http://static.xuejinqu.com/qimg/8c3/8c3590ca1436a3beb2576b77b8572112.png)
4.
![](http://static.xuejinqu.com/qimg/6c9/6c998edab0a93c9bfab596e36601ecf9.png)
![](http://static.xuejinqu.com/qimg/fed/fed0c172debc5bb1b6fdefa1cbd273de.png)
5.
![](http://static.xuejinqu.com/qimg/c60/c60e0f7dcfaa06a18e1016978df34afb.png)
![](http://static.xuejinqu.com/qimg/fed/fed0c172debc5bb1b6fdefa1cbd273de.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)