“在巴塞罗那奥运会上,德里克·雷德蒙德在400米半决赛比赛中,腿伤复发了——右腿肌肉撕裂,他重重地跌倒在了跑道上!但他苏醒过来,却嚎着推开救护人员,从地上爬起来,泪流满面地跳着冲向终点……”读了这则材料,你想对德里克·雷德蒙德说什么?请写下来。
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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