Miss Gao: Hello! Look, what's this?
Amy: Hi, Miss Gao! It's a panda. I like it!
Miss Gao: Me, too! Look, what's that?
Lily: Wow, it's a funny monkey! I like it!
Peter: I like the tiger.
Amy: Cool! Me, too!
Lily: Look! A funny bear. I like it.
| ||||
Amy |
|
|
|
|
Lily |
|
|
|
|
Peter |
|
|
|
|
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