1.胤(yìn yìng )恭勤(qíng qín )不倦,博学多通。家贫不常得油,夏月则练囊盛(chéng shèng )数(shuò shù )十萤火以照书,以夜继日焉。
2.过小溪,逢老媪(ǎo áo )方磨铁杵(chǔ wǔ ),问之,曰:“欲作针。”太白感其意,还(hái huán )卒业。
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