1.

A tower PQ subtends an angle alpha at a point A on the same level as the foot Q of the tower. It also subtends the same angle alpha at a point B where AB subtends the angle alpha with AP then

Answer»

AB = BQ
BQ = 2AQ
`(AB)/(BQ) = (1//2) SIN ALPHA`
`(AB)/(BQ) = (1//2) "cosec" alpha`

ANSWER :D


Discussion

No Comment Found

Related InterviewSolutions