![](http://static.xuejinqu.com/qimg/79c/79cf088d1c8d10113dc044894522ef6e.png)
![](http://static.xuejinqu.com/qimg/be4/be4c24503eeef9bc8178a530d22e7a83.png)
![](http://static.xuejinqu.com/qimg/bea/bea015926222c745218284104187ad5c.png)
![](http://static.xuejinqu.com/qimg/aed/aedf5699c69ffc45c2f0d75248cd07b4.png)
![](http://static.xuejinqu.com/qimg/b71/b71e75dbfcd55b18b2c0cffea3488c12.png)
![](http://static.xuejinqu.com/qimg/777/77776b216d7ee09c444bccf950f79a65.png)
A father B grandma C sister D brother E mother F Sarah G grandpa
![](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)