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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 the surface of a lake is `alpha` and the angle of depression of its reflection in the lake is `beta` then the height is :

A

`(h sin (alpha + beta))/(sin (alpha - beta))`

B

`(h sin (alpha + beta))/(sin (beta - alpha ))`

C

`(h sin (beta - alpha ))/(sin (alpha + beta))`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
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