15 | 21 | 19 | | 5 | 14 | 7 | 13 | 9 | 19 | 8 | | 20 | | 1 | 3 | 8 | 5 | 18 | |
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9 | 19 | | 13 | 9 | 19 | 19 | | 23 | 8 | 9 | 20 | 5 | | 19 | 8 | 5 | | 9 | 19 |
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20 | 1 | 12 | 12 | | 1 | 14 | 4 | | 16 | 18 | 5 | 20 | 20 | 25 | | | | | |
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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