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From the top of a hill h metres high the...

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

A

`(h(tan beta - tan alpha))/(tan beta)`

B

`(h(tan alpha- tan beta))/(tan alpha)`

C

`(h(tan beta + tan alpha))/(tan beta)`

D

`(h(tan beta + tan alpha))/(tan alpha)`

Text Solution

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The correct Answer is:
A
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