Question

The angle of elevation of an aeroplane from a point P on the ground is 60 degrees
.
After 12 seconds from the same point P, the angle of elevation of the same
plane changes to 30 degrees
. If the plane is flying horizontally at a speed of
600√3 km / h, find the height at which the plane is flying.

Answer 1

The height of aeroplane flying is 1200meters