(1)如图1用数对标出各点的位置.A(________,________) B(________,________) C(________,________) D(________,________) E(________,________) F(________,________)
(2)根据所给的数对,把下列场所的位置画在图2上.车站(3,2)公园(4,6)邮局(2,8)
(3)在转盘里涂上合适的颜色
如图3要使指针停在红色区域的可能性最大.
如图4要使指针停在红色区域和黄色区域的可能性一样大.
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