A.蘸(zhàn)浆 袭(xī)人 咧(liè)嘴 熠熠(yì)生辉 |
B.倭(wěi)瓜 涟漪(yí) 窘(jiǒng)迫 揿(qīn)电铃 |
C.郑(zhèn)国 秽(suì)物 弓弩(nǔ) 膘(biāo)肥体壮 |
D.推荐(jiàn) 避讳(huì) 公顷(qǐng) 熠熠(yì)生辉 |
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