Use distance formula to show that the points `(cosec^2 theta, 0), (0, sec^2 theta) and (1, 1)` are collinear.

Using section formula, show that the points (2, -3, 4), (-1, 2,1) and (0, (1)/(3) , 2) are collinear.

Using section formula, show that the points A (2, -3, 4) , B (-1, 2, 1) and C(0,1/3,2) are collinear.

1/sec2(theta) + 1/cosec2(theta) =

Using section formula, show that the points A(1, 2, 1), B(2, 1, 0) and c(7/5, 8/5, 3/5) are collinear.

Using section formula, show that the points A(2,-3,4),\ B(-1,2,1)\ a n d\ C(0,1/3,2)\ are collinear.

Using distance formula, show that the points (1,5), (2,4) and (3,3) are collinear.

Without using distance formula, show that points (-2,-1) , (4,0) , (3,3) and (-3,2) are the vertices of a parallelogram.

Without using distance formula, show that points (-2, -1), (4, 0) , (3, 3) , and (-3, 2) are the vertices of a parallelogram.

Find the minimum value of sec^2 theta + cosec^2 theta - 4.

Prove that 1+cot^(2) theta = cosec^(2) theta