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Consider the following for the next two (02) items that follow :
The angle of elevation of a cloud atC from a point ( P ) , H metres above the surface of a lake is 30 ∘ . The height of the cloud from the surface of the lake is 2 H metres. Let θ be the angle of depression of the reflection of the cloud in the lake from the point P .
The angle of elevation of a cloud at
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