" 14.Show that the trajectory of an object thrown at certain angle with the horizontal is a parabola."

Show that the trajectory of an object throw horizontally from certain height is a parabola.

Establish that projectile thrown making angle theta with horizontal gains a parabolic path.

The angle of projection for a projectile thrown parallel to horizontal is

A point P on the trajectory of a projectile projected at angle with theta with horizontal subtrends angles alpha and beta at the point of landing them