A particle is projected up an inclined plane of inclination `beta` at na elevation `prop` to the
Channel: Doubtnut
Date: 2020-07-26

A particle is projected up an inclined plane of inclination `beta` at na elevation `prop` to the horizon. Show that  (a) `tan prop = cot beta + 2 tan beta`, if the particle strikes the plane at right angles  (b) `tan prop = 2 tan beta`, if the particle strikes the plane horizontally.