搜索
I am Little Water Drop. I l1． in the sea. I want to f2． up to the sky. It is a s3． day. The sun is shining. I g4． hot. I r5． up to the sky. I am very happy. I am in the c6．. It is white. I fly o7． the rivers and m8．. I see many beautiful places. One day I see some trees. They are very t9．. They want to drink water. I f10． down to the ground. A tree drinks me. Now I am i11． the tree. The tree isn’t t12． and it g13． very tall.
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
