A.It is cold. | B.It is warm. | C.It is cool. | D.It is hot |
![](http://static.xuejinqu.com/qimg/2d0/2d0db07f414397e0a8212da4bcfccc63.png)
(2)
![](http://static.xuejinqu.com/qimg/20c/20ca4e34069cb7ab122d947400aa4a1b.png)
(3)
![](http://static.xuejinqu.com/qimg/6cf/6cfcefa14220796281496c29d2622c8d.png)
(4)
![](http://static.xuejinqu.com/qimg/33c/33cafc7aaef737ae60068ca58e0cbe7b.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)