A.保佑(yòu) 轮廓(kuò) 琼浆( qióng) 电钮(niǔ) |
B.狞笑(líng) 盔甲(huī) 诞生(dàn) 硕大(suò) |
C.咔嚓(chā) 肃穆(mù) 围歼(qiān) 摇曳(yè) |
D.鳌头(áo) 一绺(Iiǔ) 擎着(qíng) 黑魃魃(qū) |
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