It’s the t1. of December, Christmas Day. In the morning, it snows. It’s all white outside. Mr Dog and Miss Cat g2. up very early. After breakfast, Mr Dog wants to w3. television. But Miss Cat says, “It’s very nice outside. Let’s go out and m4. a snowman.”So they go out and make a snowman. At last, Mr Dog put his hat on the snowman’s bead. After that, they are h5. . They eat bones and a big cake. Mr Dog says, “The snowman must be hungry. Let’s give a piece of cake to him.” But where is the snowman? They can only see the h6. on the ground.
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