sir this is the question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and distances
we have the information that From a point P on level ground,
the angle of elevation of the top of a tower is 300. If the tower is 100 m high,
now we have to find how far is P from the foot of the tower.
question no 6 , heights and distances , ICSE board, ML Aggarwal