学进去-教育应平等而普惠
试题
类型:连线题
难度系数:0.85
所属科目:小学英语
1. Elephant Rock                       A. 西湖                    a. Hangzhou
2. West Lake                              B. 象鼻山             b. Urumqi
3. Temple of Heaven                 C. 红山                    c. Guilin
4. Yuelu Academy                       D. 天坛                    d. Changsha
5. Red Hill                              E. 岳麓书院             e. Beijing
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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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