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![](http://static.xuejinqu.com/qimg/c53/c53514793e1130b03dd92e6fc945866a.png)
![](http://static.xuejinqu.com/qimg/9eb/9ebd8873b184591c51689d1400fcd36d.png)
![](http://static.xuejinqu.com/qimg/083/0831c7dcac90b7733d0d9f320c1d845a.png)
![](http://static.xuejinqu.com/qimg/03f/03f20724fd7e4fcfb3ed71925cd0cfad.png)
________—Who is she?
—She's Miss Fang.
________—Who is she?
—She's Mrs Wang.
________—Who is she?
—She's Mrs Li.
________—Who is he?
—He's Mr Zhang.
![](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)