A.翡翠(fěi) 榛子(zhēn) 蜜饯(jiàn) 掺和(cān) |
B.骡马(luó)娴熟(xián)唾沫(tuò)僧人(sēng) |
C.敦厚(dūn)机杼(zhù)正月(zhèng)獠牙(liáo) |
D.演绎(yí)吞噬(shì)脱缰(jiàng)杏仁(rén) |
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