序号 | ||||||
1 | 5 | 1.1 | 5 | 1.1 | 10 | 2.2 |
2 | 5 | 0.8 | 10 | 1.6 | 15 | 2.4 |
3 | 4 | 0.5 | 16 | 2.0 | 20 | 2.5 |
4 | 5 | 0.6 | 15 | 1.9 | 20 | 2.5 |
5 | 8 | 1.0 | 12 | 1.5 | 20 | 2.5 |

(1)分析上述实验数据,除了能得到

①




②当





(2)断开开关S,拆除




①

②



同类型试题

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


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

