Q11Short answer
If the co-ordinates of the vertices of an equilateral triangle with sides of length x1 y1 1 3a 4 ‘a’ are (x1, y1), (x2, y2), (x3, y3), then x2 y2 1 = 4 . x3 y3 1 1 1 sin 3θ
If the co-ordinates of the vertices of an equilateral triangle with sides of length x1 y1 1 3a 4 ‘a’ are (x1, y1), (x2, y2), (x3, y3), then x2 y2 1 = 4 . x3 y3 1 1 1 sin 3θ