(1)《中国诗词大会》的热播燃起了同学们对诗词的热爱,我们走进《山行》中去欣赏枫叶如火,生机盎然的深秋景色:
(2)虽然消除大气污染是个很艰难的过程,但我们始终坚信“
(3)“
(4)小明做数学作业遇到难题,只好去求助他的几位朋友,经过一番探讨后终于知道了解题目思路,这真是“
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