1.

From the top of the hill h meers high the angles of depressinons of the top and the bottom of a pillar are alpha and beta respectively. The height ( in meters ) of pillar is

Answer»

`(H(TANBETA-tanalpha))/(tanbeta)`
`(h(tanalpha-tanbeta))/(tanalpha)`
`(h(tanbeta+tanalpha))/(tanbeta)`
`(h(tanbeta+tanalpha))/(tanalpha)`

ANSWER :A


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