1.

From the top of the hill h metres high the angles of depression of the topand the bottom of a pillar are alpha and beta respectively. The height ( in metres) of the pillar is

Answer»

`(H (tanbeta-tanalpha))/(tanbeta)`
`(h (tanalpha-tanbeta))/(tanalpha)`
`(h (tanbeta+tanalpha))/(tan BETA)`
`(h(tanbeta+tanalpha))/(tan ALPHA)`

ANSWER :A


Discussion

No Comment Found

Related InterviewSolutions