A. tennis B. soccer C. basketball
D. ping-pong E. football F. baseball
1.
![](https://img./dksih/QBM/2019/6/6/2219782786154496/2221163489845248/STEM/54318b3c5b7e41159bed056dee65720e.png?resizew=93)
![](https://img./dksih/QBM/2019/6/6/2219782786154496/2221163489845248/STEM/e8b9fec51c2e424db59d975a6a7a82b6.png?resizew=96)
![](https://img./dksih/QBM/2019/6/6/2219782786154496/2221163489845248/STEM/a48a3b8e22ac4899834111f7ab122948.png?resizew=97)
4.
![](https://img./dksih/QBM/2019/6/6/2219782786154496/2221163489845248/STEM/38d0470a7c6343fbb7a5b747b1e25355.png?resizew=68)
![](https://img./dksih/QBM/2019/6/6/2219782786154496/2221163489845248/STEM/466bc9829123488fa18e3c898257cf85.png?resizew=74)
![](https://img./dksih/QBM/2019/6/6/2219782786154496/2221163489845248/STEM/3bcad986203c4008b819798229dc6f6c.png?resizew=110)
![](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)