阅读是心灵的旅行。本学期,我们走进大自然,徜徉在lǜ tǎn似的草原上,táo zuì在丁香花yōu yǎ的甜香中;我们走进人物的世界,被狼牙山五壮士jiān qiáng bù qū的精神所折服;我们走进艺术的百花园,聆听月光曲的旋律,仿佛看到了月光zhào yào下bō tāo xiōng yǒng的大海……
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