Question

22.
The angle of elevation of a cloud at a height h above
the level of water in a lake is a and the angle of
depression of its image in the lake is B. The height of
the cloud above the surface of the lake is equal to
(1
hſtanß + tana)
(tanß - tana)
(2)
hcos(a + B)
sin(-a)
(2


h(coat + cotß)
(3)
cosa - cosß
(4) h

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

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