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Hello, I’m Amy. This is my home library. Welcome to my home library. You can find information about English words from the dictionaries. There are some CDs. You can find information about music. If(如果) you want to find information about nice food, please read the books on Shelf C. Do you want to find some information about China? Please look for the books on Shelf E. You can find news(新闻) from the newspapers.
Information | Where to find |
information about English words | |
from the CDs | |
from the books on Shelf C | |
information about China | |
from the newspapers |
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
