A.快乐(lè) 磨(mó)牙 系(xì)列 铺(pū)盖 |
B.音乐(yuè) 石磨(mò) 系(jì)鞋带 店铺(pù) |
C.挡(dǎng)住 暑(shǔ)假 彻(chè)底 谦(qiān)虚 |
D.档(dǎng)案 署(shǔ)名 砌(chè)墙 赚(zhuàng)钱 |
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