学进去-教育应平等而普惠
试题
类型:排序题
难度系数:0.65
所属科目:小学英语

A. It was good, thank you.
B. I went to the zoo. I saw many animals there.
C. Hi, Zhang Peng! How was your weekend?
D. Yes, I did.
E. What did you do?
F. Great! Did you see any pandas there?
正确顺序:1. ____ →2. ____ →3. ____ →4. ____ →5. ____ →6. ____
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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

用户名称
2019-09-19

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

用户名称
2019-09-19
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