red cousin white Canada the U. K. uncle
Chinese Washington,
A. | B. London the U. S. father |
1.
![](http://static.xuejinqu.com/qimg/78a/78a878912faf6e2212608ea5cde7dae7.png)
2.
![](http://static.xuejinqu.com/qimg/4e0/4e02df0e5f87dc0b896087a3ffb2dd9e.png)
3.
![](http://static.xuejinqu.com/qimg/88e/88ebeabdf206a6021ddbd0a95d981a3b.png)
4.
![](http://static.xuejinqu.com/qimg/54a/54a52725e786de376147b19fd9b7c0e5.png)
5.
![](http://static.xuejinqu.com/qimg/39e/39eab0c695fd6176540ddad81c15f64d.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)