停泊(bó bái) 鸣蝉(chán cán) 指南针(zhēn zēn)
垂(chuí cuí)下 忠(zhōng zōng)实 帮助(bāng bǎng)
稠(chóu cóu)密 一盏(zhǎn zǎn) 宇宙(zhòu zòu)
稍(shāo sāo)微 浴(yù yǜ)室 倒(dào dǎo)退
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