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The angle of elevation of a cloud from a...

The angle of elevation of a cloud from a point h metres above a lake is `beta`. The angle of depression of its reflection in the lake is `45^(@)`. The height of location of the cloud from the lake is

A

`(h(1+tanbeta))/(1-tanbeta)`

B

`(h(1-tanbeta))/(1+tanbeta)`

C

`htan(45^(@)-beta)`

D

none of these

Text Solution

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The correct Answer is:
A
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