If the distance between two points `(a cos theta, a sin theta) and (a cos phi, a sin phi)` is `2a` then `theta` is

If the distance between the points (a cos theta, a sin theta ) and (a cos phi, a sin phi) is 2a, theta=

If the line joining the points (a cos theta , b sin theta) and (a cos phi, b sin phi) .Prove that the equation of this lines is x/a "cos" (theta + phi)/2 + y/b"sin" (theta + phi)/2 = "cos" (theta -phi)/2

Find the slope of the line joining the points (a cos theta , b sin theta) and (a cos phi, b sin phi)

Perpendicular distance from the origin to the line joining the points (a cos theta,a sin theta)(a cos phi,a sin phi) is

Find perpendicular distance of the line joining the points (cos theta, sin theta) and (cos phi, sin phi) from the origin.

Foot of the perpendicular from origin to the line joining the points (a cos theta,a sin theta),(a cos phi,a sin phi) is

Find perpendicular distance from the origin to the line joining the points ( cos theta , sin theta ) and ( cos phi, sin phi) .

Find perpendicular distance from the origin of the line joining the points (cos theta, sin theta) and (cos phi, sin phi)

Find perpendicular distance from the origin of the line joining the points ( cos theta, sin theta ) and ( cos phi, sin phi ).