A.交叉(jiāo chà) 膝盖(qī gài)污垢(wū gòu) 漫灭(màn miè) |
B.墨绿(mò lǜ) 波涛(bō tāo) 藤萝(téng luó)墨水瓶(mò shuǐ píng) |
C.胆怯(dǎn qiè) 指挥(zhǐ huī)途抹(tú mò) 毛绒绒(máo róng róng) |
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