[[QOrDeR]]
![](http://static.xuejinqu.com/qimg/3cd/3cdda7fe7cbf342665cbd7ae7aebb396.png)
A.pencil | B.pen |
![](http://static.xuejinqu.com/qimg/c28/c2896c67e4cf43866fb763153b6de821.png)
A.five | B.four |
![](http://static.xuejinqu.com/qimg/48b/48b033cd89c059cf10fcca603c620e40.png)
A.head | B.hand |
![](http://static.xuejinqu.com/qimg/279/279ff6ed7effae2a5377a494375673dd.png)
A.nose | B.mouth |
![](http://static.xuejinqu.com/qimg/44b/44bdfae04e63510ee3d7c1c5edc857b1.png)
A.knife | B.ruler |
![](http://static.xuejinqu.com/qimg/841/841a62e5edc3e5ba4da51ead9a1b534c.png)
A.arm | B.knee |
![](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)