大自然真奇妙啊!小静与同学们来到户外,看到美丽的景色,他们心中有很多“问号”,他们都在议论着呢!
小静:大自然真美啊!你看,树叶绿油油的,可是各种树的树叶
小虎:你们听,鸟儿在唱歌呢!
晓峰:夏天到处是可恶的蚊子,冬天
瑞瑞:我也有疑问,
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