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锣鼓
(1)起先,我还信心满满地答应妈妈要自己打扫房间。可一看到那么多的杂物,我有点儿犯愁了,就算有
(2)读了神话故事,我很多时候都在想,要是我也可以像神仙那样在天上
(3)每当过年的时候,老家都是
(4)才艺展示会上,同学们各自展示了自己的特长,真是八仙过海——
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