雨衣 捕鱼 乌鸦 画册 北京 格外 美丽 漂亮
bǔ yú huà cè yǔ yī wū yā měi lì piào lianɡ běi jīnɡ ɡé wài
汽车 吹笛子 刺猬 三朵花 毛巾 报纸 天鹅
cì wei qì chē sān duǒ huā chuī dí zi tiān’é máo jīn bào zhǐ
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