(1)旅游大巴车从汽车站出发,向( )行驶( )km到达科技馆.海洋馆在科技馆( )偏( )( )方向上,距离是( )km.
(2)旅游大巴车海洋馆出发,向东偏北30°方向行驶20km,就到达了终点站植物园.请在图中画出植物园的位置.
(3)如果将这条旅游专线画在比例尺为1:200000的地图上,植物园到海洋馆的图上距离是( )cm.
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