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The angle of elevation of a cloud fro...

The angle of elevation of a cloud from a point `60 m` above a lake is `30o` and the angle of depression of the reflection of cloud in the lake is `60o` . Find the height of the cloud.

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The angle of elevation of a cloud from a point 60m above a lake is 30^@ and the angle of depression of the reflection of cloud in the lake is 60^@ . Find the height of the cloud.

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If the angle of elevation of a cloud from a point 200 m above a lake is 30^@ and the angle of depression of its reflection in the lake is 60^@ , then the height of the cloud above the lake, is (a) 200 m (b) 500 m (c) 30 m (d) 400 m

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If the angle of elevation of a cloud from a point P which is 25 m above a lake be 30^(@) and the angle of depression of reflection of the cloud in the lake from P be 60^(@) , then the height of the cloud (in meters) from the surface of the lake is

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If the angle of elevation of a cloud from a point h metres above a lake is alpha and the angle of depression of its reflection in the lake is beta , prove that the height of the cloud is (h(tanbeta+t a nalpha))/(tanbeta-t a nalpha)

If the angle of elevation of a cloud from a point h metres above a lake is alpha and the angle of depression of its reflection in the take is beta , prove that the height of the cloud is (h(tanbeta+t a nalpha))/(tanbeta-t a nalpha)

The angle of elevation of a cloud from a point h metres above the surface of a lake is theta and the angle of depression of its reflection in the lake is phi . Prove that the the height of the cloud above the lake surface is : h ( ( tan phi + tan theta)/( tan phi - tan theta) )

The angle of elevation of a cloud from a point h mt. above is theta^@ and the angle of depression of its reflection in the lake is phi . Then, the height is

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