搜索
A: Nick, are you busy now?
B: No. 1． ?
A: I need your help. I’m planning for tomorrow’s Chinese class. Can we talk about it?
B: You mean the activity of “Spring in my eyes”?
A: Yes. What are you going to do?
B: Er…2．
A: Sing a song? What’s the name of the song?
B: In Spring. 3． ?
A: I don’t know. 4． ?
B: Let me see. You like drawing. I think you can draw a picture about spring.
A: 5． I’ll do that tomorrow.
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
