| ① | ② | ③ | ④ | ⑤ | ⑥ | ⑦ | ⑧ |
王莹 | 7.8 | 8.9 | 9.0 | 9.0 | 9.1 | 9.2 | 8.9 | 9.9 |
周乐 | 8.8 | 9.3 | 9.2 | 9.5 | 8.9 | 8.0 | 9.1 | 9.2 |
刘敏 | 9.0 | 9.3 | 9.2 | 7.5 | 9.0 | 8.8 | 9.6 | 8.9 |
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