(1)如图1,求点A,B,C的坐标;
(2)D为x轴上一点,过点A作且(A,D,E三点按顺时针方向排列),连接,写出线段,,之间的数量关系的所有情况,并选择其中一种加以证明;
(3)如图2,将线段平移,与x,y轴分别交于点M,N,在过点C且与x轴垂直的直线上存在点P,使得为等腰直角三角形(为直角边),请直接写出所有符合条件的点P的坐标.
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